20090858529

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{463}}^1\times {\mathrm{1399}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 31399065600

約数和(自身を除く): 11308207071

約数列:

[1, 3, 7, 21, 49, 147, 211, 463, 633, 1389, 1399, 1477, 3241, 4197, 4431, 9723, 9793, 10339, 22687, 29379, 31017, 68061, 68551, 97693, 205653, 293079, 295189, 647737, 683851, 885567, 1943211, 2051553, 2066323, 4534159, 4786957, 6198969, 13602477, 14360871, 14464261, 31739113, 43392783, 95217339, 136672507, 410017521, 956707549, 2870122647, 6696952843, 20090858529]

約数ペア:

[(1, 20090858529), (3, 6696952843), (7, 2870122647), (21, 956707549), (49, 410017521), (147, 136672507), (211, 95217339), (463, 43392783), (633, 31739113), (1389, 14464261), (1399, 14360871), (1477, 13602477), (3241, 6198969), (4197, 4786957), (4431, 4534159), (9723, 2066323), (9793, 2051553), (10339, 1943211), (22687, 885567), (29379, 683851), (31017, 647737), (68061, 295189), (68551, 293079), (97693, 205653)]