20117190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10993}}^1$

素因数の和:11064

約数の個数: 32

約数和(自身を含む): 49077216

約数和(自身を除く): 28960026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 10993, 21986, 32979, 54965, 65958, 109930, 164895, 329790, 670573, 1341146, 2011719, 3352865, 4023438, 6705730, 10058595, 20117190]

約数ペア:

[(1, 20117190), (2, 10058595), (3, 6705730), (5, 4023438), (6, 3352865), (10, 2011719), (15, 1341146), (30, 670573), (61, 329790), (122, 164895), (183, 109930), (305, 65958), (366, 54965), (610, 32979), (915, 21986), (1830, 10993)]