20405730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4073}}^1$

素因数の和:4250

約数の個数: 32

約数和(自身を含む): 49279104

約数和(自身を除く): 28873374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 167, 334, 501, 835, 1002, 1670, 2505, 4073, 5010, 8146, 12219, 20365, 24438, 40730, 61095, 122190, 680191, 1360382, 2040573, 3400955, 4081146, 6801910, 10202865, 20405730]

約数ペア:

[(1, 20405730), (2, 10202865), (3, 6801910), (5, 4081146), (6, 3400955), (10, 2040573), (15, 1360382), (30, 680191), (167, 122190), (334, 61095), (501, 40730), (835, 24438), (1002, 20365), (1670, 12219), (2505, 8146), (4073, 5010)]