20368960

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1271

約数の個数: 56

約数和(自身を含む): 49459896

約数和(自身を除く): 29090936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1201, 1696, 2120, 2402, 3392, 4240, 4804, 6005, 8480, 9608, 12010, 16960, 19216, 24020, 38432, 48040, 63653, 76864, 96080, 127306, 192160, 254612, 318265, 384320, 509224, 636530, 1018448, 1273060, 2036896, 2546120, 4073792, 5092240, 10184480, 20368960]

約数ペア:

[(1, 20368960), (2, 10184480), (4, 5092240), (5, 4073792), (8, 2546120), (10, 2036896), (16, 1273060), (20, 1018448), (32, 636530), (40, 509224), (53, 384320), (64, 318265), (80, 254612), (106, 192160), (160, 127306), (212, 96080), (265, 76864), (320, 63653), (424, 48040), (530, 38432), (848, 24020), (1060, 19216), (1201, 16960), (1696, 12010), (2120, 9608), (2402, 8480), (3392, 6005), (4240, 4804)]