20309490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2123

約数の個数: 48

約数和(自身を含む): 53298648

約数和(自身を除く): 32989158

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 113, 226, 339, 565, 678, 1017, 1130, 1695, 1997, 2034, 3390, 3994, 5085, 5991, 9985, 10170, 11982, 17973, 19970, 29955, 35946, 59910, 89865, 179730, 225661, 451322, 676983, 1128305, 1353966, 2030949, 2256610, 3384915, 4061898, 6769830, 10154745, 20309490]

約数ペア:

[(1, 20309490), (2, 10154745), (3, 6769830), (5, 4061898), (6, 3384915), (9, 2256610), (10, 2030949), (15, 1353966), (18, 1128305), (30, 676983), (45, 451322), (90, 225661), (113, 179730), (226, 89865), (339, 59910), (565, 35946), (678, 29955), (1017, 19970), (1130, 17973), (1695, 11982), (1997, 10170), (2034, 9985), (3390, 5991), (3994, 5085)]