20030093488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{290527}}^1$

素因数の和:290705

約数の個数: 40

約数和(自身を含む): 40348528640

約数和(自身を除く): 20318435152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 4309, 8618, 17236, 34472, 68944, 290527, 581054, 1162108, 2324216, 4648432, 9006337, 18012674, 36025348, 40383253, 72050696, 80766506, 144101392, 161533012, 323066024, 646132048, 1251880843, 2503761686, 5007523372, 10015046744, 20030093488]

約数ペア:

[(1, 20030093488), (2, 10015046744), (4, 5007523372), (8, 2503761686), (16, 1251880843), (31, 646132048), (62, 323066024), (124, 161533012), (139, 144101392), (248, 80766506), (278, 72050696), (496, 40383253), (556, 36025348), (1112, 18012674), (2224, 9006337), (4309, 4648432), (8618, 2324216), (17236, 1162108), (34472, 581054), (68944, 290527)]