20785798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 15567002

約数列:

[1, 2, 11, 17, 22, 34, 149, 187, 298, 373, 374, 746, 1639, 2533, 3278, 4103, 5066, 6341, 8206, 12682, 27863, 55577, 55726, 69751, 111154, 139502, 611347, 944809, 1222694, 1889618, 10392899, 20785798]

約数ペア:

[(1, 20785798), (2, 10392899), (11, 1889618), (17, 1222694), (22, 944809), (34, 611347), (149, 139502), (187, 111154), (298, 69751), (373, 55726), (374, 55577), (746, 27863), (1639, 12682), (2533, 8206), (3278, 6341), (4103, 5066)]