20165354838

素因数分解:

$2^1\times 3^4\times {\mathrm{751}}^1\times {\mathrm{165749}}^1$

素因数の和:166514

約数の個数: 40

約数和(自身を含む): 45245772000

約数和(自身を除く): 25080417162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 751, 1502, 2253, 4506, 6759, 13518, 20277, 40554, 60831, 121662, 165749, 331498, 497247, 994494, 1491741, 2983482, 4475223, 8950446, 13425669, 26851338, 124477499, 248954998, 373432497, 746864994, 1120297491, 2240594982, 3360892473, 6721784946, 10082677419, 20165354838]

約数ペア:

[(1, 20165354838), (2, 10082677419), (3, 6721784946), (6, 3360892473), (9, 2240594982), (18, 1120297491), (27, 746864994), (54, 373432497), (81, 248954998), (162, 124477499), (751, 26851338), (1502, 13425669), (2253, 8950446), (4506, 4475223), (6759, 2983482), (13518, 1491741), (20277, 994494), (40554, 497247), (60831, 331498), (121662, 165749)]