20228640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 70326144

約数和(自身を除く): 50097504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 67, 68, 74, 80, 85, 96, 102, 111, 120, 134, 136, 148, 160, 170, 185, 201, 204, 222, 240, 255, 268, 272, 296, 335, 340, 370, 402, 408, 444, 480, 510, 536, 544, 555, 592, 629, 670, 680, 740, 804, 816, 888, 1005, 1020, 1072, 1110, 1139, 1184, 1258, 1340, 1360, 1480, 1608, 1632, 1776, 1887, 2010, 2040, 2144, 2220, 2278, 2479, 2516, 2680, 2720, 2960, 3145, 3216, 3417, 3552, 3774, 4020, 4080, 4440, 4556, 4958, 5032, 5360, 5695, 5920, 6290, 6432, 6834, 7437, 7548, 8040, 8160, 8880, 9112, 9435, 9916, 10064, 10720, 11390, 12395, 12580, 13668, 14874, 15096, 16080, 17085, 17760, 18224, 18870, 19832, 20128, 22780, 24790, 25160, 27336, 29748, 30192, 32160, 34170, 36448, 37185, 37740, 39664, 42143, 45560, 49580, 50320, 54672, 59496, 60384, 68340, 74370, 75480, 79328, 84286, 91120, 99160, 100640, 109344, 118992, 126429, 136680, 148740, 150960, 168572, 182240, 198320, 210715, 237984, 252858, 273360, 297480, 301920, 337144, 396640, 421430, 505716, 546720, 594960, 632145, 674288, 842860, 1011432, 1189920, 1264290, 1348576, 1685720, 2022864, 2528580, 3371440, 4045728, 5057160, 6742880, 10114320, 20228640]

約数ペア:

[(1, 20228640), (2, 10114320), (3, 6742880), (4, 5057160), (5, 4045728), (6, 3371440), (8, 2528580), (10, 2022864), (12, 1685720), (15, 1348576), (16, 1264290), (17, 1189920), (20, 1011432), (24, 842860), (30, 674288), (32, 632145), (34, 594960), (37, 546720), (40, 505716), (48, 421430), (51, 396640), (60, 337144), (67, 301920), (68, 297480), (74, 273360), (80, 252858), (85, 237984), (96, 210715), (102, 198320), (111, 182240), (120, 168572), (134, 150960), (136, 148740), (148, 136680), (160, 126429), (170, 118992), (185, 109344), (201, 100640), (204, 99160), (222, 91120), (240, 84286), (255, 79328), (268, 75480), (272, 74370), (296, 68340), (335, 60384), (340, 59496), (370, 54672), (402, 50320), (408, 49580), (444, 45560), (480, 42143), (510, 39664), (536, 37740), (544, 37185), (555, 36448), (592, 34170), (629, 32160), (670, 30192), (680, 29748), (740, 27336), (804, 25160), (816, 24790), (888, 22780), (1005, 20128), (1020, 19832), (1072, 18870), (1110, 18224), (1139, 17760), (1184, 17085), (1258, 16080), (1340, 15096), (1360, 14874), (1480, 13668), (1608, 12580), (1632, 12395), (1776, 11390), (1887, 10720), (2010, 10064), (2040, 9916), (2144, 9435), (2220, 9112), (2278, 8880), (2479, 8160), (2516, 8040), (2680, 7548), (2720, 7437), (2960, 6834), (3145, 6432), (3216, 6290), (3417, 5920), (3552, 5695), (3774, 5360), (4020, 5032), (4080, 4958), (4440, 4556)]