20525204

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13831}}^1$

素因数の和:13895

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 21302764

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13831, 27662, 55324, 96817, 193634, 387268, 733043, 1466086, 2932172, 5131301, 10262602, 20525204]

約数ペア:

[(1, 20525204), (2, 10262602), (4, 5131301), (7, 2932172), (14, 1466086), (28, 733043), (53, 387268), (106, 193634), (212, 96817), (371, 55324), (742, 27662), (1484, 13831)]