20638926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14891}}^1$

素因数の和:14917

約数の個数: 48

約数和(自身を含む): 55755648

約数和(自身を除く): 35116722

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14891, 29782, 44673, 89346, 104237, 134019, 163801, 208474, 268038, 312711, 327602, 491403, 625422, 938133, 982806, 1146607, 1474209, 1876266, 2293214, 2948418, 3439821, 6879642, 10319463, 20638926]

約数ペア:

[(1, 20638926), (2, 10319463), (3, 6879642), (6, 3439821), (7, 2948418), (9, 2293214), (11, 1876266), (14, 1474209), (18, 1146607), (21, 982806), (22, 938133), (33, 625422), (42, 491403), (63, 327602), (66, 312711), (77, 268038), (99, 208474), (126, 163801), (154, 134019), (198, 104237), (231, 89346), (462, 44673), (693, 29782), (1386, 14891)]