20763090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 54242136

約数和(自身を除く): 33479046

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 821, 843, 1405, 1642, 1686, 2463, 2529, 2810, 4105, 4215, 4926, 5058, 7389, 8210, 8430, 12315, 12645, 14778, 24630, 25290, 36945, 73890, 230701, 461402, 692103, 1153505, 1384206, 2076309, 2307010, 3460515, 4152618, 6921030, 10381545, 20763090]

約数ペア:

[(1, 20763090), (2, 10381545), (3, 6921030), (5, 4152618), (6, 3460515), (9, 2307010), (10, 2076309), (15, 1384206), (18, 1153505), (30, 692103), (45, 461402), (90, 230701), (281, 73890), (562, 36945), (821, 25290), (843, 24630), (1405, 14778), (1642, 12645), (1686, 12315), (2463, 8430), (2529, 8210), (2810, 7389), (4105, 5058), (4215, 4926)]