20480280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170669}}^1$

素因数の和:170683

約数の個数: 32

約数和(自身を含む): 61441200

約数和(自身を除く): 40960920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170669, 341338, 512007, 682676, 853345, 1024014, 1365352, 1706690, 2048028, 2560035, 3413380, 4096056, 5120070, 6826760, 10240140, 20480280]

約数ペア:

[(1, 20480280), (2, 10240140), (3, 6826760), (4, 5120070), (5, 4096056), (6, 3413380), (8, 2560035), (10, 2048028), (12, 1706690), (15, 1365352), (20, 1024014), (24, 853345), (30, 682676), (40, 512007), (60, 341338), (120, 170669)]