20145450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10331}}^1$

素因数の和:10359

約数の個数: 48

約数和(自身を含む): 53809056

約数和(自身を除く): 33663606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10331, 20662, 30993, 51655, 61986, 103310, 134303, 154965, 258275, 268606, 309930, 402909, 516550, 671515, 774825, 805818, 1343030, 1549650, 2014545, 3357575, 4029090, 6715150, 10072725, 20145450]

約数ペア:

[(1, 20145450), (2, 10072725), (3, 6715150), (5, 4029090), (6, 3357575), (10, 2014545), (13, 1549650), (15, 1343030), (25, 805818), (26, 774825), (30, 671515), (39, 516550), (50, 402909), (65, 309930), (75, 268606), (78, 258275), (130, 154965), (150, 134303), (195, 103310), (325, 61986), (390, 51655), (650, 30993), (975, 20662), (1950, 10331)]