20781609610

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1433}}^1\times {\mathrm{9733}}^1$

素因数の和:11322

約数の個数: 32

約数和(自身を含む): 37688101200

約数和(自身を除く): 16906491590

約数列:

[1, 2, 5, 10, 149, 298, 745, 1433, 1490, 2866, 7165, 9733, 14330, 19466, 48665, 97330, 213517, 427034, 1067585, 1450217, 2135170, 2900434, 7251085, 13947389, 14502170, 27894778, 69736945, 139473890, 2078160961, 4156321922, 10390804805, 20781609610]

約数ペア:

[(1, 20781609610), (2, 10390804805), (5, 4156321922), (10, 2078160961), (149, 139473890), (298, 69736945), (745, 27894778), (1433, 14502170), (1490, 13947389), (2866, 7251085), (7165, 2900434), (9733, 2135170), (14330, 1450217), (19466, 1067585), (48665, 427034), (97330, 213517)]