20874456

素因数分解:

$2^3\times 3^3\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 58370400

約数和(自身を除く): 37495944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 241, 401, 482, 723, 802, 964, 1203, 1446, 1604, 1928, 2169, 2406, 2892, 3208, 3609, 4338, 4812, 5784, 6507, 7218, 8676, 9624, 10827, 13014, 14436, 17352, 21654, 26028, 28872, 43308, 52056, 86616, 96641, 193282, 289923, 386564, 579846, 773128, 869769, 1159692, 1739538, 2319384, 2609307, 3479076, 5218614, 6958152, 10437228, 20874456]

約数ペア:

[(1, 20874456), (2, 10437228), (3, 6958152), (4, 5218614), (6, 3479076), (8, 2609307), (9, 2319384), (12, 1739538), (18, 1159692), (24, 869769), (27, 773128), (36, 579846), (54, 386564), (72, 289923), (108, 193282), (216, 96641), (241, 86616), (401, 52056), (482, 43308), (723, 28872), (802, 26028), (964, 21654), (1203, 17352), (1446, 14436), (1604, 13014), (1928, 10827), (2169, 9624), (2406, 8676), (2892, 7218), (3208, 6507), (3609, 5784), (4338, 4812)]