20981816544

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16812353}}^1$

素因数の和:16812379

約数の個数: 48

約数和(自身を含む): 59313984912

約数和(自身を除く): 38332168368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16812353, 33624706, 50437059, 67249412, 100874118, 134498824, 201748236, 218560589, 268997648, 403496472, 437121178, 537995296, 655681767, 806992944, 874242356, 1311363534, 1613985888, 1748484712, 2622727068, 3496969424, 5245454136, 6993938848, 10490908272, 20981816544]

約数ペア:

[(1, 20981816544), (2, 10490908272), (3, 6993938848), (4, 5245454136), (6, 3496969424), (8, 2622727068), (12, 1748484712), (13, 1613985888), (16, 1311363534), (24, 874242356), (26, 806992944), (32, 655681767), (39, 537995296), (48, 437121178), (52, 403496472), (78, 268997648), (96, 218560589), (104, 201748236), (156, 134498824), (208, 100874118), (312, 67249412), (416, 50437059), (624, 33624706), (1248, 16812353)]