20161728585

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19479931}}^1$

素因数の和:19479965

約数の個数: 24

約数和(自身を含む): 36466432704

約数和(自身を除く): 16304704119

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19479931, 58439793, 97399655, 175319379, 292198965, 448038413, 876596895, 1344115239, 2240192065, 4032345717, 6720576195, 20161728585]

約数ペア:

[(1, 20161728585), (3, 6720576195), (5, 4032345717), (9, 2240192065), (15, 1344115239), (23, 876596895), (45, 448038413), (69, 292198965), (115, 175319379), (207, 97399655), (345, 58439793), (1035, 19479931)]