20730548

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 39197760

約数和(自身を除く): 18467212

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 227, 289, 316, 454, 578, 908, 1156, 1343, 2686, 3859, 5372, 7718, 15436, 17933, 22831, 35866, 45662, 65603, 71732, 91324, 131206, 262412, 304861, 609722, 1219444, 5182637, 10365274, 20730548]

約数ペア:

[(1, 20730548), (2, 10365274), (4, 5182637), (17, 1219444), (34, 609722), (68, 304861), (79, 262412), (158, 131206), (227, 91324), (289, 71732), (316, 65603), (454, 45662), (578, 35866), (908, 22831), (1156, 17933), (1343, 15436), (2686, 7718), (3859, 5372)]