20176069240

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1861261}}^1$

素因数の和:1861543

約数の個数: 32

約数和(自身を含む): 45563693760

約数和(自身を除く): 25387624520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 1861261, 3722522, 7445044, 9306305, 14890088, 18612610, 37225220, 74450440, 504401731, 1008803462, 2017606924, 2522008655, 4035213848, 5044017310, 10088034620, 20176069240]

約数ペア:

[(1, 20176069240), (2, 10088034620), (4, 5044017310), (5, 4035213848), (8, 2522008655), (10, 2017606924), (20, 1008803462), (40, 504401731), (271, 74450440), (542, 37225220), (1084, 18612610), (1355, 14890088), (2168, 9306305), (2710, 7445044), (5420, 3722522), (10840, 1861261)]