20781567382026

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293450357}}^1$

素因数の和:293450439

約数の個数: 64

約数和(自身を含む): 48172810769280

約数和(自身を除く): 27391243387254

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 37, 58, 66, 74, 87, 111, 174, 222, 319, 407, 638, 814, 957, 1073, 1221, 1914, 2146, 2442, 3219, 6438, 11803, 23606, 35409, 70818, 293450357, 586900714, 880351071, 1760702142, 3227953927, 6455907854, 8510060353, 9683861781, 10857663209, 17020120706, 19367723562, 21715326418, 25530181059, 32572989627, 51060362118, 65145979254, 93610663883, 119434295299, 187221327766, 238868590598, 280831991649, 314872233061, 358302885897, 561663983298, 629744466122, 716605771794, 944616699183, 1889233398366, 3463594563671, 6927189127342, 10390783691013, 20781567382026]

約数ペア:

[(1, 20781567382026), (2, 10390783691013), (3, 6927189127342), (6, 3463594563671), (11, 1889233398366), (22, 944616699183), (29, 716605771794), (33, 629744466122), (37, 561663983298), (58, 358302885897), (66, 314872233061), (74, 280831991649), (87, 238868590598), (111, 187221327766), (174, 119434295299), (222, 93610663883), (319, 65145979254), (407, 51060362118), (638, 32572989627), (814, 25530181059), (957, 21715326418), (1073, 19367723562), (1221, 17020120706), (1914, 10857663209), (2146, 9683861781), (2442, 8510060353), (3219, 6455907854), (6438, 3227953927), (11803, 1760702142), (23606, 880351071), (35409, 586900714), (70818, 293450357)]