20188095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4657}}^1$

素因数の和:4699

約数の個数: 24

約数和(自身を含む): 34320144

約数和(自身を除く): 14132049

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4657, 13971, 23285, 69855, 79169, 237507, 395845, 1187535, 1345873, 4037619, 6729365, 20188095]

約数ペア:

[(1, 20188095), (3, 6729365), (5, 4037619), (15, 1345873), (17, 1187535), (51, 395845), (85, 237507), (255, 79169), (289, 69855), (867, 23285), (1445, 13971), (4335, 4657)]