20154163968

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{460393}}^1$

素因数の和:460434

約数の個数: 108

約数和(自身を含む): 61167946840

約数和(自身を除く): 41013782872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 576, 608, 684, 768, 912, 1152, 1216, 1368, 1824, 2304, 2432, 2736, 3648, 4864, 5472, 7296, 10944, 14592, 21888, 43776, 460393, 920786, 1381179, 1841572, 2762358, 3683144, 4143537, 5524716, 7366288, 8287074, 8747467, 11049432, 14732576, 16574148, 17494934, 22098864, 26242401, 29465152, 33148296, 34989868, 44197728, 52484802, 58930304, 66296592, 69979736, 78727203, 88395456, 104969604, 117860608, 132593184, 139959472, 157454406, 176790912, 209939208, 265186368, 279918944, 314908812, 353581824, 419878416, 530372736, 559837888, 629817624, 839756832, 1060745472, 1119675776, 1259635248, 1679513664, 2239351552, 2519270496, 3359027328, 5038540992, 6718054656, 10077081984, 20154163968]

約数ペア:

[(1, 20154163968), (2, 10077081984), (3, 6718054656), (4, 5038540992), (6, 3359027328), (8, 2519270496), (9, 2239351552), (12, 1679513664), (16, 1259635248), (18, 1119675776), (19, 1060745472), (24, 839756832), (32, 629817624), (36, 559837888), (38, 530372736), (48, 419878416), (57, 353581824), (64, 314908812), (72, 279918944), (76, 265186368), (96, 209939208), (114, 176790912), (128, 157454406), (144, 139959472), (152, 132593184), (171, 117860608), (192, 104969604), (228, 88395456), (256, 78727203), (288, 69979736), (304, 66296592), (342, 58930304), (384, 52484802), (456, 44197728), (576, 34989868), (608, 33148296), (684, 29465152), (768, 26242401), (912, 22098864), (1152, 17494934), (1216, 16574148), (1368, 14732576), (1824, 11049432), (2304, 8747467), (2432, 8287074), (2736, 7366288), (3648, 5524716), (4864, 4143537), (5472, 3683144), (7296, 2762358), (10944, 1841572), (14592, 1381179), (21888, 920786), (43776, 460393)]