20406864

素因数分解:

$2^4\times 3^1\times {\mathrm{293}}^1\times {\mathrm{1451}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 52934112

約数和(自身を除く): 32527248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 293, 586, 879, 1172, 1451, 1758, 2344, 2902, 3516, 4353, 4688, 5804, 7032, 8706, 11608, 14064, 17412, 23216, 34824, 69648, 425143, 850286, 1275429, 1700572, 2550858, 3401144, 5101716, 6802288, 10203432, 20406864]

約数ペア:

[(1, 20406864), (2, 10203432), (3, 6802288), (4, 5101716), (6, 3401144), (8, 2550858), (12, 1700572), (16, 1275429), (24, 850286), (48, 425143), (293, 69648), (586, 34824), (879, 23216), (1172, 17412), (1451, 14064), (1758, 11608), (2344, 8706), (2902, 7032), (3516, 5804), (4353, 4688)]