20809974657

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{11059}}^1$

素因数の和:11637

約数の個数: 32

約数和(自身を含む): 29431987200

約数和(自身を除く): 8622012543

約数列:

[1, 3, 29, 43, 87, 129, 503, 1247, 1509, 3741, 11059, 14587, 21629, 33177, 43761, 64887, 320711, 475537, 627241, 962133, 1426611, 1881723, 5562677, 13790573, 16688031, 41371719, 161317633, 239195111, 483952899, 717585333, 6936658219, 20809974657]

約数ペア:

[(1, 20809974657), (3, 6936658219), (29, 717585333), (43, 483952899), (87, 239195111), (129, 161317633), (503, 41371719), (1247, 16688031), (1509, 13790573), (3741, 5562677), (11059, 1881723), (14587, 1426611), (21629, 962133), (33177, 627241), (43761, 475537), (64887, 320711)]