22691980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3251}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 47804400

約数和(自身を除く): 25112420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3251, 3490, 6502, 6980, 13004, 16255, 32510, 65020, 1134599, 2269198, 4538396, 5672995, 11345990, 22691980]

約数ペア:

[(1, 22691980), (2, 11345990), (4, 5672995), (5, 4538396), (10, 2269198), (20, 1134599), (349, 65020), (698, 32510), (1396, 16255), (1745, 13004), (3251, 6980), (3490, 6502)]