20074720

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3443

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 28647968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3391, 5920, 6782, 13564, 16955, 27128, 33910, 54256, 67820, 108512, 125467, 135640, 250934, 271280, 501868, 542560, 627335, 1003736, 1254670, 2007472, 2509340, 4014944, 5018680, 10037360, 20074720]

約数ペア:

[(1, 20074720), (2, 10037360), (4, 5018680), (5, 4014944), (8, 2509340), (10, 2007472), (16, 1254670), (20, 1003736), (32, 627335), (37, 542560), (40, 501868), (74, 271280), (80, 250934), (148, 135640), (160, 125467), (185, 108512), (296, 67820), (370, 54256), (592, 33910), (740, 27128), (1184, 16955), (1480, 13564), (2960, 6782), (3391, 5920)]