20121097865

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{797}}^1\times {\mathrm{41729}}^1$

素因数の和:42553

約数の個数: 24

約数和(自身を含む): 26573830920

約数和(自身を除く): 6452733055

約数列:

[1, 5, 11, 55, 121, 605, 797, 3985, 8767, 41729, 43835, 96437, 208645, 459019, 482185, 2295095, 5049209, 25246045, 33258013, 166290065, 365838143, 1829190715, 4024219573, 20121097865]

約数ペア:

[(1, 20121097865), (5, 4024219573), (11, 1829190715), (55, 365838143), (121, 166290065), (605, 33258013), (797, 25246045), (3985, 5049209), (8767, 2295095), (41729, 482185), (43835, 459019), (96437, 208645)]