20619632

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1483}}^1$

素因数の和:1581

約数の個数: 40

約数和(自身を含む): 44163840

約数和(自身を除く): 23544208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1483, 1738, 2966, 3476, 5932, 6952, 11864, 13904, 16313, 23728, 32626, 65252, 117157, 130504, 234314, 261008, 468628, 937256, 1288727, 1874512, 2577454, 5154908, 10309816, 20619632]

約数ペア:

[(1, 20619632), (2, 10309816), (4, 5154908), (8, 2577454), (11, 1874512), (16, 1288727), (22, 937256), (44, 468628), (79, 261008), (88, 234314), (158, 130504), (176, 117157), (316, 65252), (632, 32626), (869, 23728), (1264, 16313), (1483, 13904), (1738, 11864), (2966, 6952), (3476, 5932)]