20147640212

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1\times {\mathrm{15767}}^1$

素因数の和:16796

約数の個数: 48

約数和(自身を含む): 41197621248

約数和(自身を除く): 21049981036

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 971, 1316, 1942, 3884, 6797, 13594, 15767, 27188, 31534, 45637, 63068, 91274, 110369, 182548, 220738, 319459, 441476, 638918, 741049, 1277836, 1482098, 2964196, 5187343, 10374686, 15309757, 20749372, 30619514, 61239028, 107168299, 214336598, 428673196, 719558579, 1439117158, 2878234316, 5036910053, 10073820106, 20147640212]

約数ペア:

[(1, 20147640212), (2, 10073820106), (4, 5036910053), (7, 2878234316), (14, 1439117158), (28, 719558579), (47, 428673196), (94, 214336598), (188, 107168299), (329, 61239028), (658, 30619514), (971, 20749372), (1316, 15309757), (1942, 10374686), (3884, 5187343), (6797, 2964196), (13594, 1482098), (15767, 1277836), (27188, 741049), (31534, 638918), (45637, 441476), (63068, 319459), (91274, 220738), (110369, 182548)]