19899960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165833}}^1$

素因数の和:165847

約数の個数: 32

約数和(自身を含む): 59700240

約数和(自身を除く): 39800280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165833, 331666, 497499, 663332, 829165, 994998, 1326664, 1658330, 1989996, 2487495, 3316660, 3979992, 4974990, 6633320, 9949980, 19899960]

約数ペア:

[(1, 19899960), (2, 9949980), (3, 6633320), (4, 4974990), (5, 3979992), (6, 3316660), (8, 2487495), (10, 1989996), (12, 1658330), (15, 1326664), (20, 994998), (24, 829165), (30, 663332), (40, 497499), (60, 331666), (120, 165833)]