20198962280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10305593}}^1$

素因数の和:10305618

約数の個数: 48

約数和(自身を含む): 52867697220

約数和(自身を除く): 32668734940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10305593, 20611186, 41222372, 51527965, 72139151, 82444744, 103055930, 144278302, 206111860, 288556604, 360695755, 412223720, 504974057, 577113208, 721391510, 1009948114, 1442783020, 2019896228, 2524870285, 2885566040, 4039792456, 5049740570, 10099481140, 20198962280]

約数ペア:

[(1, 20198962280), (2, 10099481140), (4, 5049740570), (5, 4039792456), (7, 2885566040), (8, 2524870285), (10, 2019896228), (14, 1442783020), (20, 1009948114), (28, 721391510), (35, 577113208), (40, 504974057), (49, 412223720), (56, 360695755), (70, 288556604), (98, 206111860), (140, 144278302), (196, 103055930), (245, 82444744), (280, 72139151), (392, 51527965), (490, 41222372), (980, 20611186), (1960, 10305593)]