20022808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10133}}^1$

素因数の和:10171

約数の個数: 32

約数和(自身を含む): 42562800

約数和(自身を除く): 22539992

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10133, 20266, 40532, 81064, 131729, 192527, 263458, 385054, 526916, 770108, 1053832, 1540216, 2502851, 5005702, 10011404, 20022808]

約数ペア:

[(1, 20022808), (2, 10011404), (4, 5005702), (8, 2502851), (13, 1540216), (19, 1053832), (26, 770108), (38, 526916), (52, 385054), (76, 263458), (104, 192527), (152, 131729), (247, 81064), (494, 40532), (988, 20266), (1976, 10133)]