20064740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 44851968

約数和(自身を除く): 24787228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 823, 1060, 1219, 1646, 2438, 3292, 4115, 4876, 6095, 8230, 12190, 16460, 18929, 24380, 37858, 43619, 75716, 87238, 94645, 174476, 189290, 218095, 378580, 436190, 872380, 1003237, 2006474, 4012948, 5016185, 10032370, 20064740]

約数ペア:

[(1, 20064740), (2, 10032370), (4, 5016185), (5, 4012948), (10, 2006474), (20, 1003237), (23, 872380), (46, 436190), (53, 378580), (92, 218095), (106, 189290), (115, 174476), (212, 94645), (230, 87238), (265, 75716), (460, 43619), (530, 37858), (823, 24380), (1060, 18929), (1219, 16460), (1646, 12190), (2438, 8230), (3292, 6095), (4115, 4876)]