20940615

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9901}}^1$

素因数の和:9959

約数の個数: 24

約数和(自身を含む): 37073088

約数和(自身を除く): 16132473

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9901, 29703, 49505, 89109, 148515, 445545, 465347, 1396041, 2326735, 4188123, 6980205, 20940615]

約数ペア:

[(1, 20940615), (3, 6980205), (5, 4188123), (9, 2326735), (15, 1396041), (45, 465347), (47, 445545), (141, 148515), (235, 89109), (423, 49505), (705, 29703), (2115, 9901)]