20145660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10831}}^1$

素因数の和:10874

約数の個数: 48

約数和(自身を含む): 58232832

約数和(自身を除く): 38087172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10831, 21662, 32493, 43324, 54155, 64986, 108310, 129972, 162465, 216620, 324930, 335761, 649860, 671522, 1007283, 1343044, 1678805, 2014566, 3357610, 4029132, 5036415, 6715220, 10072830, 20145660]

約数ペア:

[(1, 20145660), (2, 10072830), (3, 6715220), (4, 5036415), (5, 4029132), (6, 3357610), (10, 2014566), (12, 1678805), (15, 1343044), (20, 1007283), (30, 671522), (31, 649860), (60, 335761), (62, 324930), (93, 216620), (124, 162465), (155, 129972), (186, 108310), (310, 64986), (372, 54155), (465, 43324), (620, 32493), (930, 21662), (1860, 10831)]