20055256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2441}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 41025600

約数和(自身を除く): 20970344

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2441, 4108, 4882, 8216, 9764, 19528, 31733, 63466, 126932, 192839, 253864, 385678, 771356, 1542712, 2506907, 5013814, 10027628, 20055256]

約数ペア:

[(1, 20055256), (2, 10027628), (4, 5013814), (8, 2506907), (13, 1542712), (26, 771356), (52, 385678), (79, 253864), (104, 192839), (158, 126932), (316, 63466), (632, 31733), (1027, 19528), (2054, 9764), (2441, 8216), (4108, 4882)]