16566620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1621}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 40329408

約数和(自身を除く): 23762788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1621, 2044, 2555, 3242, 5110, 6484, 8105, 10220, 11347, 16210, 22694, 32420, 45388, 56735, 113470, 118333, 226940, 236666, 473332, 591665, 828331, 1183330, 1656662, 2366660, 3313324, 4141655, 8283310, 16566620]

約数ペア:

[(1, 16566620), (2, 8283310), (4, 4141655), (5, 3313324), (7, 2366660), (10, 1656662), (14, 1183330), (20, 828331), (28, 591665), (35, 473332), (70, 236666), (73, 226940), (140, 118333), (146, 113470), (292, 56735), (365, 45388), (511, 32420), (730, 22694), (1022, 16210), (1460, 11347), (1621, 10220), (2044, 8105), (2555, 6484), (3242, 5110)]