20022947

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 23396352

約数和(自身を除く): 3373405

約数列:

[1, 7, 101, 127, 223, 707, 889, 1561, 12827, 22523, 28321, 89789, 157661, 198247, 2860421, 20022947]

約数ペア:

[(1, 20022947), (7, 2860421), (101, 198247), (127, 157661), (223, 89789), (707, 28321), (889, 22523), (1561, 12827)]