20560764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 55225856

約数和(自身を除く): 34665092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 151, 302, 453, 604, 906, 1057, 1621, 1812, 2114, 3171, 3242, 4228, 4863, 6342, 6484, 9726, 11347, 12684, 19452, 22694, 34041, 45388, 68082, 136164, 244771, 489542, 734313, 979084, 1468626, 1713397, 2937252, 3426794, 5140191, 6853588, 10280382, 20560764]

約数ペア:

[(1, 20560764), (2, 10280382), (3, 6853588), (4, 5140191), (6, 3426794), (7, 2937252), (12, 1713397), (14, 1468626), (21, 979084), (28, 734313), (42, 489542), (84, 244771), (151, 136164), (302, 68082), (453, 45388), (604, 34041), (906, 22694), (1057, 19452), (1621, 12684), (1812, 11347), (2114, 9726), (3171, 6484), (3242, 6342), (4228, 4863)]