20299485

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13399}}^1$

素因数の和:13508

約数の個数: 16

約数和(自身を含む): 32803200

約数和(自身を除く): 12503715

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 13399, 40197, 66995, 200985, 1353299, 4059897, 6766495, 20299485]

約数ペア:

[(1, 20299485), (3, 6766495), (5, 4059897), (15, 1353299), (101, 200985), (303, 66995), (505, 40197), (1515, 13399)]