20171057740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1\times {\mathrm{8719}}^1$

素因数の和:9742

約数の個数: 48

約数和(自身を含む): 42735813120

約数和(自身を除く): 22564755380

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 883, 1310, 1766, 2620, 3532, 4415, 8719, 8830, 17438, 17660, 34876, 43595, 87190, 115673, 174380, 231346, 462692, 578365, 1142189, 1156730, 2284378, 2313460, 4568756, 5710945, 7698877, 11421890, 15397754, 22843780, 30795508, 38494385, 76988770, 153977540, 1008552887, 2017105774, 4034211548, 5042764435, 10085528870, 20171057740]

約数ペア:

[(1, 20171057740), (2, 10085528870), (4, 5042764435), (5, 4034211548), (10, 2017105774), (20, 1008552887), (131, 153977540), (262, 76988770), (524, 38494385), (655, 30795508), (883, 22843780), (1310, 15397754), (1766, 11421890), (2620, 7698877), (3532, 5710945), (4415, 4568756), (8719, 2313460), (8830, 2284378), (17438, 1156730), (17660, 1142189), (34876, 578365), (43595, 462692), (87190, 231346), (115673, 174380)]