20201407839

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{22223771}}^1$

素因数の和:22223878

約数の個数: 12

約数和(自身を含む): 29468721672

約数和(自身を除く): 9267313833

約数列:

[1, 3, 9, 101, 303, 909, 22223771, 66671313, 200013939, 2244600871, 6733802613, 20201407839]

約数ペア:

[(1, 20201407839), (3, 6733802613), (9, 2244600871), (101, 200013939), (303, 66671313), (909, 22223771)]