20914130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90931}}^1$

素因数の和:90961

約数の個数: 16

約数和(自身を含む): 39282624

約数和(自身を除く): 18368494

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90931, 181862, 454655, 909310, 2091413, 4182826, 10457065, 20914130]

約数ペア:

[(1, 20914130), (2, 10457065), (5, 4182826), (10, 2091413), (23, 909310), (46, 454655), (115, 181862), (230, 90931)]