20181830980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24611989}}^1$

素因数の和:24612039

約数の個数: 24

約数和(自身を含む): 43415550360

約数和(自身を除く): 23233719380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24611989, 49223978, 98447956, 123059945, 246119890, 492239780, 1009091549, 2018183098, 4036366196, 5045457745, 10090915490, 20181830980]

約数ペア:

[(1, 20181830980), (2, 10090915490), (4, 5045457745), (5, 4036366196), (10, 2018183098), (20, 1009091549), (41, 492239780), (82, 246119890), (164, 123059945), (205, 98447956), (410, 49223978), (820, 24611989)]