20346470416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{2663}}^1$

素因数の和:3344

約数の個数: 80

約数和(自身を含む): 42593523840

約数和(自身を除く): 22247053424

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 613, 656, 779, 1226, 1558, 2452, 2663, 3116, 4904, 5326, 6232, 9808, 10652, 11647, 12464, 21304, 23294, 25133, 42608, 46588, 50266, 50597, 93176, 100532, 101194, 109183, 186352, 201064, 202388, 218366, 402128, 404776, 436732, 477527, 809552, 873464, 955054, 1632419, 1746928, 1910108, 2074477, 3264838, 3820216, 4148954, 6529676, 7640432, 8297908, 13059352, 16595816, 26118704, 31015961, 33191632, 62031922, 66929179, 124063844, 133858358, 248127688, 267716716, 496255376, 535433432, 1070866864, 1271654401, 2543308802, 5086617604, 10173235208, 20346470416]

約数ペア:

[(1, 20346470416), (2, 10173235208), (4, 5086617604), (8, 2543308802), (16, 1271654401), (19, 1070866864), (38, 535433432), (41, 496255376), (76, 267716716), (82, 248127688), (152, 133858358), (164, 124063844), (304, 66929179), (328, 62031922), (613, 33191632), (656, 31015961), (779, 26118704), (1226, 16595816), (1558, 13059352), (2452, 8297908), (2663, 7640432), (3116, 6529676), (4904, 4148954), (5326, 3820216), (6232, 3264838), (9808, 2074477), (10652, 1910108), (11647, 1746928), (12464, 1632419), (21304, 955054), (23294, 873464), (25133, 809552), (42608, 477527), (46588, 436732), (50266, 404776), (50597, 402128), (93176, 218366), (100532, 202388), (101194, 201064), (109183, 186352)]