20446980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10993}}^1$

素因数の和:11036

約数の個数: 48

約数和(自身を含む): 59103744

約数和(自身を除く): 38656764

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, 10993, 21986, 32979, 43972, 54965, 65958, 109930, 131916, 164895, 219860, 329790, 340783, 659580, 681566, 1022349, 1363132, 1703915, 2044698, 3407830, 4089396, 5111745, 6815660, 10223490, 20446980]

約数ペア:

[(1, 20446980), (2, 10223490), (3, 6815660), (4, 5111745), (5, 4089396), (6, 3407830), (10, 2044698), (12, 1703915), (15, 1363132), (20, 1022349), (30, 681566), (31, 659580), (60, 340783), (62, 329790), (93, 219860), (124, 164895), (155, 131916), (186, 109930), (310, 65958), (372, 54965), (465, 43972), (620, 32979), (930, 21986), (1860, 10993)]