20972796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{577}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 53018784

約数和(自身を除く): 32045988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 233, 466, 577, 699, 932, 1154, 1398, 1731, 2308, 2796, 3029, 3462, 6058, 6924, 7501, 9087, 12116, 15002, 18174, 22503, 30004, 36348, 45006, 90012, 134441, 268882, 403323, 537764, 806646, 1613292, 1747733, 3495466, 5243199, 6990932, 10486398, 20972796]

約数ペア:

[(1, 20972796), (2, 10486398), (3, 6990932), (4, 5243199), (6, 3495466), (12, 1747733), (13, 1613292), (26, 806646), (39, 537764), (52, 403323), (78, 268882), (156, 134441), (233, 90012), (466, 45006), (577, 36348), (699, 30004), (932, 22503), (1154, 18174), (1398, 15002), (1731, 12116), (2308, 9087), (2796, 7501), (3029, 6924), (3462, 6058)]