20170248940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1\times {\mathrm{5081}}^1$

素因数の和:7882

約数の個数: 48

約数和(自身を含む): 42962008320

約数和(自身を除く): 22791759380

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 2719, 5081, 5438, 10162, 10876, 13595, 20324, 25405, 27190, 50810, 54380, 101620, 198487, 370913, 396974, 741826, 793948, 992435, 1483652, 1854565, 1984870, 3709130, 3969740, 7418260, 13815239, 27630478, 55260956, 69076195, 138152390, 276304780, 1008512447, 2017024894, 4034049788, 5042562235, 10085124470, 20170248940]

約数ペア:

[(1, 20170248940), (2, 10085124470), (4, 5042562235), (5, 4034049788), (10, 2017024894), (20, 1008512447), (73, 276304780), (146, 138152390), (292, 69076195), (365, 55260956), (730, 27630478), (1460, 13815239), (2719, 7418260), (5081, 3969740), (5438, 3709130), (10162, 1984870), (10876, 1854565), (13595, 1483652), (20324, 992435), (25405, 793948), (27190, 741826), (50810, 396974), (54380, 370913), (101620, 198487)]