20081553982

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2785

約数の個数: 64

約数和(自身を含む): 35826831360

約数和(自身を除く): 15745277378

約数列:

[1, 2, 7, 14, 47, 89, 94, 137, 178, 274, 329, 623, 658, 959, 1246, 1918, 2503, 4183, 5006, 6439, 8366, 12193, 12878, 17521, 24386, 29281, 35042, 45073, 58562, 85351, 90146, 117641, 170702, 222767, 235282, 342911, 445534, 573071, 685822, 823487, 1146142, 1559369, 1646974, 2400377, 3118738, 4011497, 4800754, 8022994, 10470049, 16116817, 20940098, 30519079, 32233634, 61038158, 73290343, 112817719, 146580686, 213633553, 225635438, 427267106, 1434396713, 2868793426, 10040776991, 20081553982]

約数ペア:

[(1, 20081553982), (2, 10040776991), (7, 2868793426), (14, 1434396713), (47, 427267106), (89, 225635438), (94, 213633553), (137, 146580686), (178, 112817719), (274, 73290343), (329, 61038158), (623, 32233634), (658, 30519079), (959, 20940098), (1246, 16116817), (1918, 10470049), (2503, 8022994), (4183, 4800754), (5006, 4011497), (6439, 3118738), (8366, 2400377), (12193, 1646974), (12878, 1559369), (17521, 1146142), (24386, 823487), (29281, 685822), (35042, 573071), (45073, 445534), (58562, 342911), (85351, 235282), (90146, 222767), (117641, 170702)]