20377530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1151

約数の個数: 48

約数和(自身を含む): 53248104

約数和(自身を除く): 32870574

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 881, 1285, 1542, 1762, 2313, 2570, 2643, 3855, 4405, 4626, 5286, 7710, 7929, 8810, 11565, 13215, 15858, 23130, 26430, 39645, 79290, 226417, 452834, 679251, 1132085, 1358502, 2037753, 2264170, 3396255, 4075506, 6792510, 10188765, 20377530]

約数ペア:

[(1, 20377530), (2, 10188765), (3, 6792510), (5, 4075506), (6, 3396255), (9, 2264170), (10, 2037753), (15, 1358502), (18, 1132085), (30, 679251), (45, 452834), (90, 226417), (257, 79290), (514, 39645), (771, 26430), (881, 23130), (1285, 15858), (1542, 13215), (1762, 11565), (2313, 8810), (2570, 7929), (2643, 7710), (3855, 5286), (4405, 4626)]