20122520920

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1091243}}^1$

素因数の和:1091715

約数の個数: 32

約数和(自身を含む): 45373925520

約数和(自身を除く): 25251404600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 1091243, 2182486, 4364972, 5456215, 8729944, 10912430, 21824860, 43649720, 503063023, 1006126046, 2012252092, 2515315115, 4024504184, 5030630230, 10061260460, 20122520920]

約数ペア:

[(1, 20122520920), (2, 10061260460), (4, 5030630230), (5, 4024504184), (8, 2515315115), (10, 2012252092), (20, 1006126046), (40, 503063023), (461, 43649720), (922, 21824860), (1844, 10912430), (2305, 8729944), (3688, 5456215), (4610, 4364972), (9220, 2182486), (18440, 1091243)]