20811752703

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1004089}}^1$

素因数の和:1004156

約数の個数: 36

約数和(自身を含む): 35713473120

約数和(自身を除く): 14901720417

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 20727, 1004089, 3012267, 7028623, 9036801, 21085869, 47192183, 49200361, 63257607, 141576549, 147601083, 330345281, 424729647, 442803249, 991035843, 2312416967, 2973107529, 6937250901, 20811752703]

約数ペア:

[(1, 20811752703), (3, 6937250901), (7, 2973107529), (9, 2312416967), (21, 991035843), (47, 442803249), (49, 424729647), (63, 330345281), (141, 147601083), (147, 141576549), (329, 63257607), (423, 49200361), (441, 47192183), (987, 21085869), (2303, 9036801), (2961, 7028623), (6909, 3012267), (20727, 1004089)]