20185540220

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1326251}}^1$

素因数の和:1327021

約数の個数: 24

約数和(自身を含む): 42445369008

約数和(自身を除く): 22259828788

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 15220, 1326251, 2652502, 5305004, 6631255, 13262510, 26525020, 1009277011, 2018554022, 4037108044, 5046385055, 10092770110, 20185540220]

約数ペア:

[(1, 20185540220), (2, 10092770110), (4, 5046385055), (5, 4037108044), (10, 2018554022), (20, 1009277011), (761, 26525020), (1522, 13262510), (3044, 6631255), (3805, 5305004), (7610, 2652502), (15220, 1326251)]