20089718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39703}}^1$

素因数の和:39739

約数の個数: 16

約数和(自身を含む): 34304256

約数和(自身を除く): 14214538

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39703, 79406, 436733, 873466, 913169, 1826338, 10044859, 20089718]

約数ペア:

[(1, 20089718), (2, 10044859), (11, 1826338), (22, 913169), (23, 873466), (46, 436733), (253, 79406), (506, 39703)]