20188454951

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{11633}}^1$

素因数の和:11855

約数の個数: 32

約数和(自身を含む): 24392309760

約数和(自身を除く): 4203854809

約数列:

[1, 7, 29, 83, 103, 203, 581, 721, 2407, 2987, 8549, 11633, 16849, 20909, 59843, 81431, 247921, 337357, 965539, 1198199, 1735447, 2361499, 6758773, 8387393, 28000631, 34747771, 99450517, 196004417, 243234397, 696153619, 2884064993, 20188454951]

約数ペア:

[(1, 20188454951), (7, 2884064993), (29, 696153619), (83, 243234397), (103, 196004417), (203, 99450517), (581, 34747771), (721, 28000631), (2407, 8387393), (2987, 6758773), (8549, 2361499), (11633, 1735447), (16849, 1198199), (20909, 965539), (59843, 337357), (81431, 247921)]