20123811285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4642171}}^1$

素因数の和:4642213

約数の個数: 24

約数和(自身を含む): 34203523296

約数和(自身を除く): 14079712011

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4642171, 13926513, 23210855, 69632565, 78916907, 236750721, 394584535, 1183753605, 1341587419, 4024762257, 6707937095, 20123811285]

約数ペア:

[(1, 20123811285), (3, 6707937095), (5, 4024762257), (15, 1341587419), (17, 1183753605), (51, 394584535), (85, 236750721), (255, 78916907), (289, 69632565), (867, 23210855), (1445, 13926513), (4335, 4642171)]