20850657

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 30750720

約数和(自身を除く): 9900063

約数列:

[1, 3, 19, 43, 47, 57, 129, 141, 181, 543, 817, 893, 2021, 2451, 2679, 3439, 6063, 7783, 8507, 10317, 23349, 25521, 38399, 115197, 147877, 161633, 365801, 443631, 484899, 1097403, 6950219, 20850657]

約数ペア:

[(1, 20850657), (3, 6950219), (19, 1097403), (43, 484899), (47, 443631), (57, 365801), (129, 161633), (141, 147877), (181, 115197), (543, 38399), (817, 25521), (893, 23349), (2021, 10317), (2451, 8507), (2679, 7783), (3439, 6063)]