20397060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2473

約数の個数: 72

約数和(自身を含む): 63213696

約数和(自身を除く): 42816636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2411, 2820, 4230, 4822, 7233, 8460, 9644, 12055, 14466, 21699, 24110, 28932, 36165, 43398, 48220, 72330, 86796, 108495, 113317, 144660, 216990, 226634, 339951, 433980, 453268, 566585, 679902, 1019853, 1133170, 1359804, 1699755, 2039706, 2266340, 3399510, 4079412, 5099265, 6799020, 10198530, 20397060]

約数ペア:

[(1, 20397060), (2, 10198530), (3, 6799020), (4, 5099265), (5, 4079412), (6, 3399510), (9, 2266340), (10, 2039706), (12, 1699755), (15, 1359804), (18, 1133170), (20, 1019853), (30, 679902), (36, 566585), (45, 453268), (47, 433980), (60, 339951), (90, 226634), (94, 216990), (141, 144660), (180, 113317), (188, 108495), (235, 86796), (282, 72330), (423, 48220), (470, 43398), (564, 36165), (705, 28932), (846, 24110), (940, 21699), (1410, 14466), (1692, 12055), (2115, 9644), (2411, 8460), (2820, 7233), (4230, 4822)]