20797875189

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1104097}}^1$

素因数の和:1104146

約数の個数: 48

約数和(自身を含む): 38581600512

約数和(自身を除く): 17783725323

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 2093, 2691, 6279, 18837, 1104097, 3312291, 7728679, 9936873, 14353261, 23186037, 25394231, 43059783, 69558111, 76182693, 100472827, 129179349, 177759617, 228548079, 301418481, 330125003, 533278851, 904255443, 990375009, 1599836553, 2310875021, 2971125027, 6932625063, 20797875189]

約数ペア:

[(1, 20797875189), (3, 6932625063), (7, 2971125027), (9, 2310875021), (13, 1599836553), (21, 990375009), (23, 904255443), (39, 533278851), (63, 330125003), (69, 301418481), (91, 228548079), (117, 177759617), (161, 129179349), (207, 100472827), (273, 76182693), (299, 69558111), (483, 43059783), (819, 25394231), (897, 23186037), (1449, 14353261), (2093, 9936873), (2691, 7728679), (6279, 3312291), (18837, 1104097)]