20129694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{613}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 43530144

約数和(自身を除く): 23400450

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 421, 613, 842, 1226, 1263, 1839, 2526, 3678, 5473, 7969, 10946, 15938, 16419, 23907, 32838, 47814, 258073, 516146, 774219, 1548438, 3354949, 6709898, 10064847, 20129694]

約数ペア:

[(1, 20129694), (2, 10064847), (3, 6709898), (6, 3354949), (13, 1548438), (26, 774219), (39, 516146), (78, 258073), (421, 47814), (613, 32838), (842, 23907), (1226, 16419), (1263, 15938), (1839, 10946), (2526, 7969), (3678, 5473)]