20979630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33301}}^1$

素因数の和:33321

約数の個数: 48

約数和(自身を含む): 62341344

約数和(自身を除く): 41361714

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, 33301, 66602, 99903, 166505, 199806, 233107, 299709, 333010, 466214, 499515, 599418, 699321, 999030, 1165535, 1398642, 1498545, 2097963, 2331070, 2997090, 3496605, 4195926, 6993210, 10489815, 20979630]

約数ペア:

[(1, 20979630), (2, 10489815), (3, 6993210), (5, 4195926), (6, 3496605), (7, 2997090), (9, 2331070), (10, 2097963), (14, 1498545), (15, 1398642), (18, 1165535), (21, 999030), (30, 699321), (35, 599418), (42, 499515), (45, 466214), (63, 333010), (70, 299709), (90, 233107), (105, 199806), (126, 166505), (210, 99903), (315, 66602), (630, 33301)]