20641110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 56996352

約数和(自身を除く): 36355242

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 227, 433, 454, 681, 866, 1135, 1299, 1362, 1589, 2165, 2270, 2598, 3031, 3178, 3405, 4330, 4767, 6062, 6495, 6810, 7945, 9093, 9534, 12990, 15155, 15890, 18186, 23835, 30310, 45465, 47670, 90930, 98291, 196582, 294873, 491455, 589746, 688037, 982910, 1376074, 1474365, 2064111, 2948730, 3440185, 4128222, 6880370, 10320555, 20641110]

約数ペア:

[(1, 20641110), (2, 10320555), (3, 6880370), (5, 4128222), (6, 3440185), (7, 2948730), (10, 2064111), (14, 1474365), (15, 1376074), (21, 982910), (30, 688037), (35, 589746), (42, 491455), (70, 294873), (105, 196582), (210, 98291), (227, 90930), (433, 47670), (454, 45465), (681, 30310), (866, 23835), (1135, 18186), (1299, 15890), (1362, 15155), (1589, 12990), (2165, 9534), (2270, 9093), (2598, 7945), (3031, 6810), (3178, 6495), (3405, 6062), (4330, 4767)]