20848664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3739}}^1$

素因数の和:3803

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21562936

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3739, 5576, 7478, 14956, 29912, 63563, 127126, 153299, 254252, 306598, 508504, 613196, 1226392, 2606083, 5212166, 10424332, 20848664]

約数ペア:

[(1, 20848664), (2, 10424332), (4, 5212166), (8, 2606083), (17, 1226392), (34, 613196), (41, 508504), (68, 306598), (82, 254252), (136, 153299), (164, 127126), (328, 63563), (697, 29912), (1394, 14956), (2788, 7478), (3739, 5576)]