16018820

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3191}}^1$

素因数の和:3451

約数の個数: 24

約数和(自身を含む): 33784128

約数和(自身を除く): 17765308

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3191, 5020, 6382, 12764, 15955, 31910, 63820, 800941, 1601882, 3203764, 4004705, 8009410, 16018820]

約数ペア:

[(1, 16018820), (2, 8009410), (4, 4004705), (5, 3203764), (10, 1601882), (20, 800941), (251, 63820), (502, 31910), (1004, 15955), (1255, 12764), (2510, 6382), (3191, 5020)]