20888352

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 63980280

約数和(自身を除く): 43091928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 41, 48, 58, 61, 72, 82, 87, 96, 116, 122, 123, 144, 164, 174, 183, 232, 244, 246, 261, 288, 328, 348, 366, 369, 464, 488, 492, 522, 549, 656, 696, 732, 738, 928, 976, 984, 1044, 1098, 1189, 1312, 1392, 1464, 1476, 1769, 1952, 1968, 2088, 2196, 2378, 2501, 2784, 2928, 2952, 3538, 3567, 3936, 4176, 4392, 4756, 5002, 5307, 5856, 5904, 7076, 7134, 7503, 8352, 8784, 9512, 10004, 10614, 10701, 11808, 14152, 14268, 15006, 15921, 17568, 19024, 20008, 21228, 21402, 22509, 28304, 28536, 30012, 31842, 38048, 40016, 42456, 42804, 45018, 56608, 57072, 60024, 63684, 72529, 80032, 84912, 85608, 90036, 114144, 120048, 127368, 145058, 169824, 171216, 180072, 217587, 240096, 254736, 290116, 342432, 360144, 435174, 509472, 580232, 652761, 720288, 870348, 1160464, 1305522, 1740696, 2320928, 2611044, 3481392, 5222088, 6962784, 10444176, 20888352]

約数ペア:

[(1, 20888352), (2, 10444176), (3, 6962784), (4, 5222088), (6, 3481392), (8, 2611044), (9, 2320928), (12, 1740696), (16, 1305522), (18, 1160464), (24, 870348), (29, 720288), (32, 652761), (36, 580232), (41, 509472), (48, 435174), (58, 360144), (61, 342432), (72, 290116), (82, 254736), (87, 240096), (96, 217587), (116, 180072), (122, 171216), (123, 169824), (144, 145058), (164, 127368), (174, 120048), (183, 114144), (232, 90036), (244, 85608), (246, 84912), (261, 80032), (288, 72529), (328, 63684), (348, 60024), (366, 57072), (369, 56608), (464, 45018), (488, 42804), (492, 42456), (522, 40016), (549, 38048), (656, 31842), (696, 30012), (732, 28536), (738, 28304), (928, 22509), (976, 21402), (984, 21228), (1044, 20008), (1098, 19024), (1189, 17568), (1312, 15921), (1392, 15006), (1464, 14268), (1476, 14152), (1769, 11808), (1952, 10701), (1968, 10614), (2088, 10004), (2196, 9512), (2378, 8784), (2501, 8352), (2784, 7503), (2928, 7134), (2952, 7076), (3538, 5904), (3567, 5856), (3936, 5307), (4176, 5002), (4392, 4756)]