20804110817

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{3821}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 24841410048

約数和(自身を除く): 4037299231

約数列:

[1, 7, 41, 61, 287, 311, 427, 2177, 2501, 3821, 12751, 17507, 18971, 26747, 89257, 132797, 156661, 233081, 777811, 1096627, 1188331, 1631567, 5444677, 8318317, 9556321, 48721571, 66894247, 72488191, 341050997, 507417337, 2972015831, 20804110817]

約数ペア:

[(1, 20804110817), (7, 2972015831), (41, 507417337), (61, 341050997), (287, 72488191), (311, 66894247), (427, 48721571), (2177, 9556321), (2501, 8318317), (3821, 5444677), (12751, 1631567), (17507, 1188331), (18971, 1096627), (26747, 777811), (89257, 233081), (132797, 156661)]