19976520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166471}}^1$

素因数の和:166485

約数の個数: 32

約数和(自身を含む): 59929920

約数和(自身を除く): 39953400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166471, 332942, 499413, 665884, 832355, 998826, 1331768, 1664710, 1997652, 2497065, 3329420, 3995304, 4994130, 6658840, 9988260, 19976520]

約数ペア:

[(1, 19976520), (2, 9988260), (3, 6658840), (4, 4994130), (5, 3995304), (6, 3329420), (8, 2497065), (10, 1997652), (12, 1664710), (15, 1331768), (20, 998826), (24, 832355), (30, 665884), (40, 499413), (60, 332942), (120, 166471)]