20867109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{661}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 29551680

約数和(自身を除く): 8684571

約数列:

[1, 3, 17, 51, 619, 661, 1857, 1983, 10523, 11237, 31569, 33711, 409159, 1227477, 6955703, 20867109]

約数ペア:

[(1, 20867109), (3, 6955703), (17, 1227477), (51, 409159), (619, 33711), (661, 31569), (1857, 11237), (1983, 10523)]