20904030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33181}}^1$

素因数の和:33201

約数の個数: 48

約数和(自身を含む): 62116704

約数和(自身を除く): 41212674

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33181, 66362, 99543, 165905, 199086, 232267, 298629, 331810, 464534, 497715, 597258, 696801, 995430, 1161335, 1393602, 1493145, 2090403, 2322670, 2986290, 3484005, 4180806, 6968010, 10452015, 20904030]

約数ペア:

[(1, 20904030), (2, 10452015), (3, 6968010), (5, 4180806), (6, 3484005), (7, 2986290), (9, 2322670), (10, 2090403), (14, 1493145), (15, 1393602), (18, 1161335), (21, 995430), (30, 696801), (35, 597258), (42, 497715), (45, 464534), (63, 331810), (70, 298629), (90, 232267), (105, 199086), (126, 165905), (210, 99543), (315, 66362), (630, 33181)]