20803324

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 39002040

約数和(自身を除く): 18198716

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 131, 148, 262, 524, 1073, 1369, 2146, 2738, 3799, 4292, 4847, 5476, 7598, 9694, 15196, 19388, 39701, 79402, 140563, 158804, 179339, 281126, 358678, 562252, 717356, 5200831, 10401662, 20803324]

約数ペア:

[(1, 20803324), (2, 10401662), (4, 5200831), (29, 717356), (37, 562252), (58, 358678), (74, 281126), (116, 179339), (131, 158804), (148, 140563), (262, 79402), (524, 39701), (1073, 19388), (1369, 15196), (2146, 9694), (2738, 7598), (3799, 5476), (4292, 4847)]