20211986

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11540014

約数列:

[1, 2, 23, 46, 349, 698, 1259, 2518, 8027, 16054, 28957, 57914, 439391, 878782, 10105993, 20211986]

約数ペア:

[(1, 20211986), (2, 10105993), (23, 878782), (46, 439391), (349, 57914), (698, 28957), (1259, 16054), (2518, 8027)]