20105729505

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6668567}}^1$

素因数の和:6668645

約数の個数: 24

約数和(自身を含む): 35370084672

約数和(自身を除く): 15264355167

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6668567, 20005701, 33342835, 60017103, 100028505, 300085515, 446793989, 1340381967, 2233969945, 4021145901, 6701909835, 20105729505]

約数ペア:

[(1, 20105729505), (3, 6701909835), (5, 4021145901), (9, 2233969945), (15, 1340381967), (45, 446793989), (67, 300085515), (201, 100028505), (335, 60017103), (603, 33342835), (1005, 20005701), (3015, 6668567)]