19920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1$

素因数の和:99

約数の個数: 40

約数和(自身を含む): 62496

約数和(自身を除く): 42576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 2490, 3320, 3984, 4980, 6640, 9960, 19920]

約数ペア:

[(1, 19920), (2, 9960), (3, 6640), (4, 4980), (5, 3984), (6, 3320), (8, 2490), (10, 1992), (12, 1660), (15, 1328), (16, 1245), (20, 996), (24, 830), (30, 664), (40, 498), (48, 415), (60, 332), (80, 249), (83, 240), (120, 166)]