20397924

素因数分解:

$2^2\times 3^2\times {\mathrm{733}}^1\times {\mathrm{773}}^1$

素因数の和:1516

約数の個数: 36

約数和(自身を含む): 51698556

約数和(自身を除く): 31300632

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 733, 773, 1466, 1546, 2199, 2319, 2932, 3092, 4398, 4638, 6597, 6957, 8796, 9276, 13194, 13914, 26388, 27828, 566609, 1133218, 1699827, 2266436, 3399654, 5099481, 6799308, 10198962, 20397924]

約数ペア:

[(1, 20397924), (2, 10198962), (3, 6799308), (4, 5099481), (6, 3399654), (9, 2266436), (12, 1699827), (18, 1133218), (36, 566609), (733, 27828), (773, 26388), (1466, 13914), (1546, 13194), (2199, 9276), (2319, 8796), (2932, 6957), (3092, 6597), (4398, 4638)]