20630838

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21877962

約数列:

[1, 2, 3, 6, 47, 94, 141, 149, 282, 298, 447, 491, 894, 982, 1473, 2946, 7003, 14006, 21009, 23077, 42018, 46154, 69231, 73159, 138462, 146318, 219477, 438954, 3438473, 6876946, 10315419, 20630838]

約数ペア:

[(1, 20630838), (2, 10315419), (3, 6876946), (6, 3438473), (47, 438954), (94, 219477), (141, 146318), (149, 138462), (282, 73159), (298, 69231), (447, 46154), (491, 42018), (894, 23077), (982, 21009), (1473, 14006), (2946, 7003)]