20173080109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1429}}^1\times {\mathrm{2927}}^1$

素因数の和:4429

約数の個数: 32

約数和(自身を含む): 25323217920

約数和(自身を除く): 5150137811

約数列:

[1, 7, 13, 53, 91, 371, 689, 1429, 2927, 4823, 10003, 18577, 20489, 38051, 75737, 130039, 155131, 266357, 530159, 984581, 1085917, 2016703, 4182683, 6892067, 14116921, 29278781, 54374879, 221682199, 380624153, 1551775393, 2881868587, 20173080109]

約数ペア:

[(1, 20173080109), (7, 2881868587), (13, 1551775393), (53, 380624153), (91, 221682199), (371, 54374879), (689, 29278781), (1429, 14116921), (2927, 6892067), (4823, 4182683), (10003, 2016703), (18577, 1085917), (20489, 984581), (38051, 530159), (75737, 266357), (130039, 155131)]