20179420976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{166409}}^1$

素因数の和:166494

約数の個数: 80

約数和(自身を含む): 46799817120

約数和(自身を除く): 26620396144

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 53, 88, 104, 106, 143, 176, 208, 212, 286, 424, 572, 583, 689, 848, 1144, 1166, 1378, 2288, 2332, 2756, 4664, 5512, 7579, 9328, 11024, 15158, 30316, 60632, 121264, 166409, 332818, 665636, 1331272, 1830499, 2163317, 2662544, 3660998, 4326634, 7321996, 8653268, 8819677, 14643992, 17306536, 17639354, 23796487, 29287984, 34613072, 35278708, 47592974, 70557416, 95185948, 97016447, 114655801, 141114832, 190371896, 194032894, 229311602, 380743792, 388065788, 458623204, 776131576, 917246408, 1261213811, 1552263152, 1834492816, 2522427622, 5044855244, 10089710488, 20179420976]

約数ペア:

[(1, 20179420976), (2, 10089710488), (4, 5044855244), (8, 2522427622), (11, 1834492816), (13, 1552263152), (16, 1261213811), (22, 917246408), (26, 776131576), (44, 458623204), (52, 388065788), (53, 380743792), (88, 229311602), (104, 194032894), (106, 190371896), (143, 141114832), (176, 114655801), (208, 97016447), (212, 95185948), (286, 70557416), (424, 47592974), (572, 35278708), (583, 34613072), (689, 29287984), (848, 23796487), (1144, 17639354), (1166, 17306536), (1378, 14643992), (2288, 8819677), (2332, 8653268), (2756, 7321996), (4664, 4326634), (5512, 3660998), (7579, 2662544), (9328, 2163317), (11024, 1830499), (15158, 1331272), (30316, 665636), (60632, 332818), (121264, 166409)]