20095492040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{655003}}^1$

素因数の和:655086

約数の個数: 64

約数和(自身を含む): 49518302400

約数和(自身を除く): 29422810360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1180, 1534, 2360, 3068, 3835, 6136, 7670, 15340, 30680, 655003, 1310006, 2620012, 3275015, 5240024, 6550030, 8515039, 13100060, 17030078, 26200120, 34060156, 38645177, 42575195, 68120312, 77290354, 85150390, 154580708, 170300780, 193225885, 309161416, 340601560, 386451770, 502387301, 772903540, 1004774602, 1545807080, 2009549204, 2511936505, 4019098408, 5023873010, 10047746020, 20095492040]

約数ペア:

[(1, 20095492040), (2, 10047746020), (4, 5023873010), (5, 4019098408), (8, 2511936505), (10, 2009549204), (13, 1545807080), (20, 1004774602), (26, 772903540), (40, 502387301), (52, 386451770), (59, 340601560), (65, 309161416), (104, 193225885), (118, 170300780), (130, 154580708), (236, 85150390), (260, 77290354), (295, 68120312), (472, 42575195), (520, 38645177), (590, 34060156), (767, 26200120), (1180, 17030078), (1534, 13100060), (2360, 8515039), (3068, 6550030), (3835, 5240024), (6136, 3275015), (7670, 2620012), (15340, 1310006), (30680, 655003)]