20145307515

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12321289}}^1$

素因数の和:12321406

約数の個数: 16

約数和(自身を含む): 32528205600

約数和(自身を除く): 12382898085

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12321289, 36963867, 61606445, 184819335, 1343020501, 4029061503, 6715102505, 20145307515]

約数ペア:

[(1, 20145307515), (3, 6715102505), (5, 4029061503), (15, 1343020501), (109, 184819335), (327, 61606445), (545, 36963867), (1635, 12321289)]