19884840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165707}}^1$

素因数の和:165721

約数の個数: 32

約数和(自身を含む): 59654880

約数和(自身を除く): 39770040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165707, 331414, 497121, 662828, 828535, 994242, 1325656, 1657070, 1988484, 2485605, 3314140, 3976968, 4971210, 6628280, 9942420, 19884840]

約数ペア:

[(1, 19884840), (2, 9942420), (3, 6628280), (4, 4971210), (5, 3976968), (6, 3314140), (8, 2485605), (10, 1988484), (12, 1657070), (15, 1325656), (20, 994242), (24, 828535), (30, 662828), (40, 497121), (60, 331414), (120, 165707)]