20826360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 74299680

約数和(自身を除く): 53473320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 41, 45, 51, 60, 68, 72, 82, 83, 85, 90, 102, 120, 123, 136, 153, 164, 166, 170, 180, 204, 205, 246, 249, 255, 306, 328, 332, 340, 360, 369, 408, 410, 415, 492, 498, 510, 612, 615, 664, 680, 697, 738, 747, 765, 820, 830, 984, 996, 1020, 1224, 1230, 1245, 1394, 1411, 1476, 1494, 1530, 1640, 1660, 1845, 1992, 2040, 2091, 2460, 2490, 2788, 2822, 2952, 2988, 3060, 3320, 3403, 3485, 3690, 3735, 4182, 4233, 4920, 4980, 5576, 5644, 5976, 6120, 6273, 6806, 6970, 7055, 7380, 7470, 8364, 8466, 9960, 10209, 10455, 11288, 12546, 12699, 13612, 13940, 14110, 14760, 14940, 16728, 16932, 17015, 20418, 20910, 21165, 25092, 25398, 27224, 27880, 28220, 29880, 30627, 31365, 33864, 34030, 40836, 41820, 42330, 50184, 50796, 51045, 56440, 57851, 61254, 62730, 63495, 68060, 81672, 83640, 84660, 101592, 102090, 115702, 122508, 125460, 126990, 136120, 153135, 169320, 173553, 204180, 231404, 245016, 250920, 253980, 289255, 306270, 347106, 408360, 462808, 507960, 520659, 578510, 612540, 694212, 867765, 1041318, 1157020, 1225080, 1388424, 1735530, 2082636, 2314040, 2603295, 3471060, 4165272, 5206590, 6942120, 10413180, 20826360]

約数ペア:

[(1, 20826360), (2, 10413180), (3, 6942120), (4, 5206590), (5, 4165272), (6, 3471060), (8, 2603295), (9, 2314040), (10, 2082636), (12, 1735530), (15, 1388424), (17, 1225080), (18, 1157020), (20, 1041318), (24, 867765), (30, 694212), (34, 612540), (36, 578510), (40, 520659), (41, 507960), (45, 462808), (51, 408360), (60, 347106), (68, 306270), (72, 289255), (82, 253980), (83, 250920), (85, 245016), (90, 231404), (102, 204180), (120, 173553), (123, 169320), (136, 153135), (153, 136120), (164, 126990), (166, 125460), (170, 122508), (180, 115702), (204, 102090), (205, 101592), (246, 84660), (249, 83640), (255, 81672), (306, 68060), (328, 63495), (332, 62730), (340, 61254), (360, 57851), (369, 56440), (408, 51045), (410, 50796), (415, 50184), (492, 42330), (498, 41820), (510, 40836), (612, 34030), (615, 33864), (664, 31365), (680, 30627), (697, 29880), (738, 28220), (747, 27880), (765, 27224), (820, 25398), (830, 25092), (984, 21165), (996, 20910), (1020, 20418), (1224, 17015), (1230, 16932), (1245, 16728), (1394, 14940), (1411, 14760), (1476, 14110), (1494, 13940), (1530, 13612), (1640, 12699), (1660, 12546), (1845, 11288), (1992, 10455), (2040, 10209), (2091, 9960), (2460, 8466), (2490, 8364), (2788, 7470), (2822, 7380), (2952, 7055), (2988, 6970), (3060, 6806), (3320, 6273), (3403, 6120), (3485, 5976), (3690, 5644), (3735, 5576), (4182, 4980), (4233, 4920)]