20849208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 55740960

約数和(自身を除く): 34891752

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 137, 204, 274, 373, 408, 411, 548, 746, 822, 1096, 1119, 1492, 1644, 2238, 2329, 2984, 3288, 4476, 4658, 6341, 6987, 8952, 9316, 12682, 13974, 18632, 19023, 25364, 27948, 38046, 50728, 51101, 55896, 76092, 102202, 152184, 153303, 204404, 306606, 408808, 613212, 868717, 1226424, 1737434, 2606151, 3474868, 5212302, 6949736, 10424604, 20849208]

約数ペア:

[(1, 20849208), (2, 10424604), (3, 6949736), (4, 5212302), (6, 3474868), (8, 2606151), (12, 1737434), (17, 1226424), (24, 868717), (34, 613212), (51, 408808), (68, 306606), (102, 204404), (136, 153303), (137, 152184), (204, 102202), (274, 76092), (373, 55896), (408, 51101), (411, 50728), (548, 38046), (746, 27948), (822, 25364), (1096, 19023), (1119, 18632), (1492, 13974), (1644, 12682), (2238, 9316), (2329, 8952), (2984, 6987), (3288, 6341), (4476, 4658)]