20178562846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1\times {\mathrm{10723}}^1$

素因数の和:11356

約数の個数: 32

約数和(自身を含む): 32877982368

約数和(自身を除く): 12699419522

約数列:

[1, 2, 13, 26, 157, 314, 461, 922, 2041, 4082, 5993, 10723, 11986, 21446, 72377, 139399, 144754, 278798, 940901, 1683511, 1881802, 3367022, 4943303, 9886606, 21885643, 43771286, 64262939, 128525878, 776098571, 1552197142, 10089281423, 20178562846]

約数ペア:

[(1, 20178562846), (2, 10089281423), (13, 1552197142), (26, 776098571), (157, 128525878), (314, 64262939), (461, 43771286), (922, 21885643), (2041, 9886606), (4082, 4943303), (5993, 3367022), (10723, 1881802), (11986, 1683511), (21446, 940901), (72377, 278798), (139399, 144754)]