20213115940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1\times {\mathrm{36857}}^1$

素因数の和:38496

約数の個数: 48

約数和(自身を含む): 44973541872

約数和(自身を除く): 24760425932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1613, 3226, 6452, 8065, 16130, 27421, 32260, 36857, 54842, 73714, 109684, 137105, 147428, 184285, 274210, 368570, 548420, 626569, 737140, 1253138, 2506276, 3132845, 6265690, 12531380, 59450341, 118900682, 237801364, 297251705, 594503410, 1010655797, 1189006820, 2021311594, 4042623188, 5053278985, 10106557970, 20213115940]

約数ペア:

[(1, 20213115940), (2, 10106557970), (4, 5053278985), (5, 4042623188), (10, 2021311594), (17, 1189006820), (20, 1010655797), (34, 594503410), (68, 297251705), (85, 237801364), (170, 118900682), (340, 59450341), (1613, 12531380), (3226, 6265690), (6452, 3132845), (8065, 2506276), (16130, 1253138), (27421, 737140), (32260, 626569), (36857, 548420), (54842, 368570), (73714, 274210), (109684, 184285), (137105, 147428)]