20805216424

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{22247}}^1$

素因数の和:22450

約数の個数: 48

約数和(自身を含む): 40693816800

約数和(自身を除く): 19888600376

約数列:

[1, 2, 4, 8, 29, 58, 116, 139, 232, 278, 556, 841, 1112, 1682, 3364, 4031, 6728, 8062, 16124, 22247, 32248, 44494, 88988, 116899, 177976, 233798, 467596, 645163, 935192, 1290326, 2580652, 3092333, 5161304, 6184666, 12369332, 18709727, 24738664, 37419454, 74838908, 89677657, 149677816, 179355314, 358710628, 717421256, 2600652053, 5201304106, 10402608212, 20805216424]

約数ペア:

[(1, 20805216424), (2, 10402608212), (4, 5201304106), (8, 2600652053), (29, 717421256), (58, 358710628), (116, 179355314), (139, 149677816), (232, 89677657), (278, 74838908), (556, 37419454), (841, 24738664), (1112, 18709727), (1682, 12369332), (3364, 6184666), (4031, 5161304), (6728, 3092333), (8062, 2580652), (16124, 1290326), (22247, 935192), (32248, 645163), (44494, 467596), (88988, 233798), (116899, 177976)]