20023760

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1093}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 46801320

約数和(自身を除く): 26777560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1093, 1145, 1832, 2186, 2290, 3664, 4372, 4580, 5465, 8744, 9160, 10930, 17488, 18320, 21860, 43720, 87440, 250297, 500594, 1001188, 1251485, 2002376, 2502970, 4004752, 5005940, 10011880, 20023760]

約数ペア:

[(1, 20023760), (2, 10011880), (4, 5005940), (5, 4004752), (8, 2502970), (10, 2002376), (16, 1251485), (20, 1001188), (40, 500594), (80, 250297), (229, 87440), (458, 43720), (916, 21860), (1093, 18320), (1145, 17488), (1832, 10930), (2186, 9160), (2290, 8744), (3664, 5465), (4372, 4580)]