20851662

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27048498

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 59, 69, 78, 118, 138, 177, 197, 299, 354, 394, 591, 598, 767, 897, 1182, 1357, 1534, 1794, 2301, 2561, 2714, 4071, 4531, 4602, 5122, 7683, 8142, 9062, 11623, 13593, 15366, 17641, 23246, 27186, 34869, 35282, 52923, 58903, 69738, 105846, 117806, 151099, 176709, 267329, 302198, 353418, 453297, 534658, 801987, 906594, 1603974, 3475277, 6950554, 10425831, 20851662]

約数ペア:

[(1, 20851662), (2, 10425831), (3, 6950554), (6, 3475277), (13, 1603974), (23, 906594), (26, 801987), (39, 534658), (46, 453297), (59, 353418), (69, 302198), (78, 267329), (118, 176709), (138, 151099), (177, 117806), (197, 105846), (299, 69738), (354, 58903), (394, 52923), (591, 35282), (598, 34869), (767, 27186), (897, 23246), (1182, 17641), (1357, 15366), (1534, 13593), (1794, 11623), (2301, 9062), (2561, 8142), (2714, 7683), (4071, 5122), (4531, 4602)]