20468370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1747

約数の個数: 64

約数和(自身を含む): 54641664

約数和(自身を除く): 34173294

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1693, 2015, 2418, 3386, 4030, 5079, 6045, 8465, 10158, 12090, 16930, 22009, 25395, 44018, 50790, 52483, 66027, 104966, 110045, 132054, 157449, 220090, 262415, 314898, 330135, 524830, 660270, 682279, 787245, 1364558, 1574490, 2046837, 3411395, 4093674, 6822790, 10234185, 20468370]

約数ペア:

[(1, 20468370), (2, 10234185), (3, 6822790), (5, 4093674), (6, 3411395), (10, 2046837), (13, 1574490), (15, 1364558), (26, 787245), (30, 682279), (31, 660270), (39, 524830), (62, 330135), (65, 314898), (78, 262415), (93, 220090), (130, 157449), (155, 132054), (186, 110045), (195, 104966), (310, 66027), (390, 52483), (403, 50790), (465, 44018), (806, 25395), (930, 22009), (1209, 16930), (1693, 12090), (2015, 10158), (2418, 8465), (3386, 6045), (4030, 5079)]