20245868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{983}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 37470720

約数和(自身を除く): 17224852

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 983, 1084, 1966, 3932, 5149, 10298, 18677, 20596, 37354, 74708, 266393, 532786, 1065572, 5061467, 10122934, 20245868]

約数ペア:

[(1, 20245868), (2, 10122934), (4, 5061467), (19, 1065572), (38, 532786), (76, 266393), (271, 74708), (542, 37354), (983, 20596), (1084, 18677), (1966, 10298), (3932, 5149)]