20929168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100621}}^1$

素因数の和:100642

約数の個数: 20

約数和(自身を含む): 43669948

約数和(自身を除く): 22740780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100621, 201242, 402484, 804968, 1308073, 1609936, 2616146, 5232292, 10464584, 20929168]

約数ペア:

[(1, 20929168), (2, 10464584), (4, 5232292), (8, 2616146), (13, 1609936), (16, 1308073), (26, 804968), (52, 402484), (104, 201242), (208, 100621)]