20491320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170761}}^1$

素因数の和:170775

約数の個数: 32

約数和(自身を含む): 61474320

約数和(自身を除く): 40983000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170761, 341522, 512283, 683044, 853805, 1024566, 1366088, 1707610, 2049132, 2561415, 3415220, 4098264, 5122830, 6830440, 10245660, 20491320]

約数ペア:

[(1, 20491320), (2, 10245660), (3, 6830440), (4, 5122830), (5, 4098264), (6, 3415220), (8, 2561415), (10, 2049132), (12, 1707610), (15, 1366088), (20, 1024566), (24, 853805), (30, 683044), (40, 512283), (60, 341522), (120, 170761)]