20102775260

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1\times {\mathrm{7213}}^1$

素因数の和:7974

約数の個数: 48

約数和(自身を含む): 42449830752

約数和(自身を除く): 22347055492

約数列:

[1, 2, 4, 5, 10, 20, 331, 421, 662, 842, 1324, 1655, 1684, 2105, 3310, 4210, 6620, 7213, 8420, 14426, 28852, 36065, 72130, 139351, 144260, 278702, 557404, 696755, 1393510, 2387503, 2787020, 3036673, 4775006, 6073346, 9550012, 11937515, 12146692, 15183365, 23875030, 30366730, 47750060, 60733460, 1005138763, 2010277526, 4020555052, 5025693815, 10051387630, 20102775260]

約数ペア:

[(1, 20102775260), (2, 10051387630), (4, 5025693815), (5, 4020555052), (10, 2010277526), (20, 1005138763), (331, 60733460), (421, 47750060), (662, 30366730), (842, 23875030), (1324, 15183365), (1655, 12146692), (1684, 11937515), (2105, 9550012), (3310, 6073346), (4210, 4775006), (6620, 3036673), (7213, 2787020), (8420, 2387503), (14426, 1393510), (28852, 696755), (36065, 557404), (72130, 278702), (139351, 144260)]