20656566

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54647}}^1$

素因数の和:54665

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 31805514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54647, 109294, 163941, 327882, 382529, 491823, 765058, 983646, 1147587, 1475469, 2295174, 2950938, 3442761, 6885522, 10328283, 20656566]

約数ペア:

[(1, 20656566), (2, 10328283), (3, 6885522), (6, 3442761), (7, 2950938), (9, 2295174), (14, 1475469), (18, 1147587), (21, 983646), (27, 765058), (42, 491823), (54, 382529), (63, 327882), (126, 163941), (189, 109294), (378, 54647)]