20788786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1013}}^1$

素因数の和:1377

約数の個数: 16

約数和(自身を含む): 32318208

約数和(自身を除く): 11529422

約数列:

[1, 2, 31, 62, 331, 662, 1013, 2026, 10261, 20522, 31403, 62806, 335303, 670606, 10394393, 20788786]

約数ペア:

[(1, 20788786), (2, 10394393), (31, 670606), (62, 335303), (331, 62806), (662, 31403), (1013, 20522), (2026, 10261)]