20860719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 31688448

約数和(自身を除く): 10827729

約数列:

[1, 3, 11, 33, 43, 61, 129, 183, 241, 473, 671, 723, 1419, 2013, 2623, 2651, 7869, 7953, 10363, 14701, 28853, 31089, 44103, 86559, 113993, 161711, 341979, 485133, 632143, 1896429, 6953573, 20860719]

約数ペア:

[(1, 20860719), (3, 6953573), (11, 1896429), (33, 632143), (43, 485133), (61, 341979), (129, 161711), (183, 113993), (241, 86559), (473, 44103), (671, 31089), (723, 28853), (1419, 14701), (2013, 10363), (2623, 7953), (2651, 7869)]