20148030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31981}}^1$

素因数の和:32001

約数の個数: 48

約数和(自身を含む): 59870304

約数和(自身を除く): 39722274

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, 31981, 63962, 95943, 159905, 191886, 223867, 287829, 319810, 447734, 479715, 575658, 671601, 959430, 1119335, 1343202, 1439145, 2014803, 2238670, 2878290, 3358005, 4029606, 6716010, 10074015, 20148030]

約数ペア:

[(1, 20148030), (2, 10074015), (3, 6716010), (5, 4029606), (6, 3358005), (7, 2878290), (9, 2238670), (10, 2014803), (14, 1439145), (15, 1343202), (18, 1119335), (21, 959430), (30, 671601), (35, 575658), (42, 479715), (45, 447734), (63, 319810), (70, 287829), (90, 223867), (105, 191886), (126, 159905), (210, 95943), (315, 63962), (630, 31981)]