20556252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 56106960

約数和(自身を除く): 35550708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 684, 733, 738, 779, 1466, 1476, 1558, 2199, 2337, 2932, 3116, 4398, 4674, 6597, 7011, 8796, 9348, 13194, 13927, 14022, 26388, 27854, 28044, 30053, 41781, 55708, 60106, 83562, 90159, 120212, 125343, 167124, 180318, 250686, 270477, 360636, 501372, 540954, 571007, 1081908, 1142014, 1713021, 2284028, 3426042, 5139063, 6852084, 10278126, 20556252]

約数ペア:

[(1, 20556252), (2, 10278126), (3, 6852084), (4, 5139063), (6, 3426042), (9, 2284028), (12, 1713021), (18, 1142014), (19, 1081908), (36, 571007), (38, 540954), (41, 501372), (57, 360636), (76, 270477), (82, 250686), (114, 180318), (123, 167124), (164, 125343), (171, 120212), (228, 90159), (246, 83562), (342, 60106), (369, 55708), (492, 41781), (684, 30053), (733, 28044), (738, 27854), (779, 26388), (1466, 14022), (1476, 13927), (1558, 13194), (2199, 9348), (2337, 8796), (2932, 7011), (3116, 6597), (4398, 4674)]