19885560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165713}}^1$

素因数の和:165727

約数の個数: 32

約数和(自身を含む): 59657040

約数和(自身を除く): 39771480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165713, 331426, 497139, 662852, 828565, 994278, 1325704, 1657130, 1988556, 2485695, 3314260, 3977112, 4971390, 6628520, 9942780, 19885560]

約数ペア:

[(1, 19885560), (2, 9942780), (3, 6628520), (4, 4971390), (5, 3977112), (6, 3314260), (8, 2485695), (10, 1988556), (12, 1657130), (15, 1325704), (20, 994278), (24, 828565), (30, 662852), (40, 497139), (60, 331426), (120, 165713)]