20698132

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 45101952

約数和(自身を除く): 24403820

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 563, 707, 1126, 1313, 1414, 2252, 2626, 2828, 3941, 5252, 7319, 7882, 9191, 14638, 15764, 18382, 29276, 36764, 51233, 56863, 102466, 113726, 204932, 227452, 398041, 739219, 796082, 1478438, 1592164, 2956876, 5174533, 10349066, 20698132]

約数ペア:

[(1, 20698132), (2, 10349066), (4, 5174533), (7, 2956876), (13, 1592164), (14, 1478438), (26, 796082), (28, 739219), (52, 398041), (91, 227452), (101, 204932), (182, 113726), (202, 102466), (364, 56863), (404, 51233), (563, 36764), (707, 29276), (1126, 18382), (1313, 15764), (1414, 14638), (2252, 9191), (2626, 7882), (2828, 7319), (3941, 5252)]