20649656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1861}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 41336400

約数和(自身を除く): 20686744

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1861, 2774, 3722, 5548, 7444, 11096, 14888, 35359, 70718, 135853, 141436, 271706, 282872, 543412, 1086824, 2581207, 5162414, 10324828, 20649656]

約数ペア:

[(1, 20649656), (2, 10324828), (4, 5162414), (8, 2581207), (19, 1086824), (38, 543412), (73, 282872), (76, 271706), (146, 141436), (152, 135853), (292, 70718), (584, 35359), (1387, 14888), (1861, 11096), (2774, 7444), (3722, 5548)]