20318400

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 252

約数和(自身を含む): 77385672

約数和(自身を除く): 57067272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 64, 68, 72, 75, 80, 83, 85, 90, 96, 100, 102, 120, 136, 144, 150, 153, 160, 166, 170, 180, 192, 200, 204, 225, 240, 249, 255, 272, 288, 300, 306, 320, 332, 340, 360, 400, 408, 415, 425, 450, 480, 498, 510, 544, 576, 600, 612, 664, 680, 720, 747, 765, 800, 816, 830, 850, 900, 960, 996, 1020, 1088, 1200, 1224, 1245, 1275, 1328, 1360, 1411, 1440, 1494, 1530, 1600, 1632, 1660, 1700, 1800, 1992, 2040, 2075, 2400, 2448, 2490, 2550, 2656, 2720, 2822, 2880, 2988, 3060, 3264, 3320, 3400, 3600, 3735, 3825, 3984, 4080, 4150, 4233, 4800, 4896, 4980, 5100, 5312, 5440, 5644, 5976, 6120, 6225, 6640, 6800, 7055, 7200, 7470, 7650, 7968, 8160, 8300, 8466, 9792, 9960, 10200, 11288, 11952, 12240, 12450, 12699, 13280, 13600, 14110, 14400, 14940, 15300, 15936, 16320, 16600, 16932, 18675, 19920, 20400, 21165, 22576, 23904, 24480, 24900, 25398, 26560, 27200, 28220, 29880, 30600, 33200, 33864, 35275, 37350, 39840, 40800, 42330, 45152, 47808, 48960, 49800, 50796, 56440, 59760, 61200, 63495, 66400, 67728, 70550, 74700, 79680, 81600, 84660, 90304, 99600, 101592, 105825, 112880, 119520, 122400, 126990, 132800, 135456, 141100, 149400, 169320, 199200, 203184, 211650, 225760, 239040, 244800, 253980, 270912, 282200, 298800, 317475, 338640, 398400, 406368, 423300, 451520, 507960, 564400, 597600, 634950, 677280, 812736, 846600, 1015920, 1128800, 1195200, 1269900, 1354560, 1693200, 2031840, 2257600, 2539800, 3386400, 4063680, 5079600, 6772800, 10159200, 20318400]

約数ペア:

[(1, 20318400), (2, 10159200), (3, 6772800), (4, 5079600), (5, 4063680), (6, 3386400), (8, 2539800), (9, 2257600), (10, 2031840), (12, 1693200), (15, 1354560), (16, 1269900), (17, 1195200), (18, 1128800), (20, 1015920), (24, 846600), (25, 812736), (30, 677280), (32, 634950), (34, 597600), (36, 564400), (40, 507960), (45, 451520), (48, 423300), (50, 406368), (51, 398400), (60, 338640), (64, 317475), (68, 298800), (72, 282200), (75, 270912), (80, 253980), (83, 244800), (85, 239040), (90, 225760), (96, 211650), (100, 203184), (102, 199200), (120, 169320), (136, 149400), (144, 141100), (150, 135456), (153, 132800), (160, 126990), (166, 122400), (170, 119520), (180, 112880), (192, 105825), (200, 101592), (204, 99600), (225, 90304), (240, 84660), (249, 81600), (255, 79680), (272, 74700), (288, 70550), (300, 67728), (306, 66400), (320, 63495), (332, 61200), (340, 59760), (360, 56440), (400, 50796), (408, 49800), (415, 48960), (425, 47808), (450, 45152), (480, 42330), (498, 40800), (510, 39840), (544, 37350), (576, 35275), (600, 33864), (612, 33200), (664, 30600), (680, 29880), (720, 28220), (747, 27200), (765, 26560), (800, 25398), (816, 24900), (830, 24480), (850, 23904), (900, 22576), (960, 21165), (996, 20400), (1020, 19920), (1088, 18675), (1200, 16932), (1224, 16600), (1245, 16320), (1275, 15936), (1328, 15300), (1360, 14940), (1411, 14400), (1440, 14110), (1494, 13600), (1530, 13280), (1600, 12699), (1632, 12450), (1660, 12240), (1700, 11952), (1800, 11288), (1992, 10200), (2040, 9960), (2075, 9792), (2400, 8466), (2448, 8300), (2490, 8160), (2550, 7968), (2656, 7650), (2720, 7470), (2822, 7200), (2880, 7055), (2988, 6800), (3060, 6640), (3264, 6225), (3320, 6120), (3400, 5976), (3600, 5644), (3735, 5440), (3825, 5312), (3984, 5100), (4080, 4980), (4150, 4896), (4233, 4800)]