20122920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55897}}^1$

素因数の和:55914

約数の個数: 48

約数和(自身を含む): 65400660

約数和(自身を除く): 45277740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55897, 111794, 167691, 223588, 279485, 335382, 447176, 503073, 558970, 670764, 838455, 1006146, 1117940, 1341528, 1676910, 2012292, 2235880, 2515365, 3353820, 4024584, 5030730, 6707640, 10061460, 20122920]

約数ペア:

[(1, 20122920), (2, 10061460), (3, 6707640), (4, 5030730), (5, 4024584), (6, 3353820), (8, 2515365), (9, 2235880), (10, 2012292), (12, 1676910), (15, 1341528), (18, 1117940), (20, 1006146), (24, 838455), (30, 670764), (36, 558970), (40, 503073), (45, 447176), (60, 335382), (72, 279485), (90, 223588), (120, 167691), (180, 111794), (360, 55897)]