20347995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1613}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 33739056

約数和(自身を除く): 13391061

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 1613, 2523, 4205, 4839, 8065, 12615, 24195, 46777, 140331, 233885, 701655, 1356533, 4069599, 6782665, 20347995]

約数ペア:

[(1, 20347995), (3, 6782665), (5, 4069599), (15, 1356533), (29, 701655), (87, 233885), (145, 140331), (435, 46777), (841, 24195), (1613, 12615), (2523, 8065), (4205, 4839)]