20131803536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{616481}}^1$

素因数の和:616659

約数の個数: 40

約数和(自身を含む): 42273403704

約数和(自身を除く): 22141600168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 8164, 16328, 32656, 616481, 1232962, 2465924, 4931848, 8014253, 9863696, 16028506, 32057012, 64114024, 96787517, 128228048, 193575034, 387150068, 774300136, 1258237721, 1548600272, 2516475442, 5032950884, 10065901768, 20131803536]

約数ペア:

[(1, 20131803536), (2, 10065901768), (4, 5032950884), (8, 2516475442), (13, 1548600272), (16, 1258237721), (26, 774300136), (52, 387150068), (104, 193575034), (157, 128228048), (208, 96787517), (314, 64114024), (628, 32057012), (1256, 16028506), (2041, 9863696), (2512, 8014253), (4082, 4931848), (8164, 2465924), (16328, 1232962), (32656, 616481)]