20908500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 41361708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 125, 150, 159, 212, 250, 263, 265, 300, 318, 375, 500, 526, 530, 636, 750, 789, 795, 1052, 1060, 1315, 1325, 1500, 1578, 1590, 2630, 2650, 3156, 3180, 3945, 3975, 5260, 5300, 6575, 6625, 7890, 7950, 13150, 13250, 13939, 15780, 15900, 19725, 19875, 26300, 26500, 27878, 32875, 39450, 39750, 41817, 55756, 65750, 69695, 78900, 79500, 83634, 98625, 131500, 139390, 167268, 197250, 209085, 278780, 348475, 394500, 418170, 696950, 836340, 1045425, 1393900, 1742375, 2090850, 3484750, 4181700, 5227125, 6969500, 10454250, 20908500]

約数ペア:

[(1, 20908500), (2, 10454250), (3, 6969500), (4, 5227125), (5, 4181700), (6, 3484750), (10, 2090850), (12, 1742375), (15, 1393900), (20, 1045425), (25, 836340), (30, 696950), (50, 418170), (53, 394500), (60, 348475), (75, 278780), (100, 209085), (106, 197250), (125, 167268), (150, 139390), (159, 131500), (212, 98625), (250, 83634), (263, 79500), (265, 78900), (300, 69695), (318, 65750), (375, 55756), (500, 41817), (526, 39750), (530, 39450), (636, 32875), (750, 27878), (789, 26500), (795, 26300), (1052, 19875), (1060, 19725), (1315, 15900), (1325, 15780), (1500, 13939), (1578, 13250), (1590, 13150), (2630, 7950), (2650, 7890), (3156, 6625), (3180, 6575), (3945, 5300), (3975, 5260)]