20431590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29611}}^1$

素因数の和:29644

約数の個数: 32

約数和(自身を含む): 51169536

約数和(自身を除く): 30737946

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29611, 59222, 88833, 148055, 177666, 296110, 444165, 681053, 888330, 1362106, 2043159, 3405265, 4086318, 6810530, 10215795, 20431590]

約数ペア:

[(1, 20431590), (2, 10215795), (3, 6810530), (5, 4086318), (6, 3405265), (10, 2043159), (15, 1362106), (23, 888330), (30, 681053), (46, 444165), (69, 296110), (115, 177666), (138, 148055), (230, 88833), (345, 59222), (690, 29611)]