20698727283

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{46691}}^1$

素因数の和:47137

約数の個数: 40

約数和(自身を含む): 33378616656

約数和(自身を除く): 12679889373

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 421, 1053, 1263, 3789, 5473, 11367, 16419, 34101, 46691, 49257, 140073, 147771, 420219, 443313, 606983, 1260657, 1820949, 3781971, 5462847, 16388541, 19656911, 49165623, 58970733, 176912199, 255539843, 530736597, 766619529, 1592209791, 2299858587, 6899575761, 20698727283]

約数ペア:

[(1, 20698727283), (3, 6899575761), (9, 2299858587), (13, 1592209791), (27, 766619529), (39, 530736597), (81, 255539843), (117, 176912199), (351, 58970733), (421, 49165623), (1053, 19656911), (1263, 16388541), (3789, 5462847), (5473, 3781971), (11367, 1820949), (16419, 1260657), (34101, 606983), (46691, 443313), (49257, 420219), (140073, 147771)]