20402172885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59136733}}^1$

素因数の和:59136764

約数の個数: 16

約数和(自身を含む): 34062758784

約数和(自身を除く): 13660585899

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59136733, 177410199, 295683665, 887050995, 1360144859, 4080434577, 6800724295, 20402172885]

約数ペア:

[(1, 20402172885), (3, 6800724295), (5, 4080434577), (15, 1360144859), (23, 887050995), (69, 295683665), (115, 177410199), (345, 59136733)]