20947190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3593}}^1$

素因数の和:3664

約数の個数: 32

約数和(自身を含む): 41920416

約数和(自身を除く): 20973226

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3593, 5830, 7186, 17965, 35930, 39523, 79046, 190429, 197615, 380858, 395230, 952145, 1904290, 2094719, 4189438, 10473595, 20947190]

約数ペア:

[(1, 20947190), (2, 10473595), (5, 4189438), (10, 2094719), (11, 1904290), (22, 952145), (53, 395230), (55, 380858), (106, 197615), (110, 190429), (265, 79046), (530, 39523), (583, 35930), (1166, 17965), (2915, 7186), (3593, 5830)]