20194688780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1276529}}^1$

素因数の和:1276658

約数の個数: 48

約数和(自身を含む): 48896205120

約数和(自身を除く): 28701516340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 15820, 1276529, 2553058, 5106116, 6382645, 8935703, 12765290, 17871406, 25530580, 35742812, 44678515, 89357030, 144247777, 178714060, 288495554, 576991108, 721238885, 1009734439, 1442477770, 2019468878, 2884955540, 4038937756, 5048672195, 10097344390, 20194688780]

約数ペア:

[(1, 20194688780), (2, 10097344390), (4, 5048672195), (5, 4038937756), (7, 2884955540), (10, 2019468878), (14, 1442477770), (20, 1009734439), (28, 721238885), (35, 576991108), (70, 288495554), (113, 178714060), (140, 144247777), (226, 89357030), (452, 44678515), (565, 35742812), (791, 25530580), (1130, 17871406), (1582, 12765290), (2260, 8935703), (3164, 6382645), (3955, 5106116), (7910, 2553058), (15820, 1276529)]