19778520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164821}}^1$

素因数の和:164835

約数の個数: 32

約数和(自身を含む): 59335920

約数和(自身を除く): 39557400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164821, 329642, 494463, 659284, 824105, 988926, 1318568, 1648210, 1977852, 2472315, 3296420, 3955704, 4944630, 6592840, 9889260, 19778520]

約数ペア:

[(1, 19778520), (2, 9889260), (3, 6592840), (4, 4944630), (5, 3955704), (6, 3296420), (8, 2472315), (10, 1977852), (12, 1648210), (15, 1318568), (20, 988926), (24, 824105), (30, 659284), (40, 494463), (60, 329642), (120, 164821)]