20173908976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107647}}^1$

素因数の和:107738

約数の個数: 80

約数和(自身を含む): 45411093504

約数和(自身を除く): 25237184528

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 53, 68, 104, 106, 136, 208, 212, 221, 272, 424, 442, 689, 848, 884, 901, 1378, 1768, 1802, 2756, 3536, 3604, 5512, 7208, 11024, 11713, 14416, 23426, 46852, 93704, 107647, 187408, 215294, 430588, 861176, 1399411, 1722352, 1829999, 2798822, 3659998, 5597644, 5705291, 7319996, 11195288, 11410582, 14639992, 22390576, 22821164, 23789987, 29279984, 45642328, 47579974, 74168783, 91284656, 95159948, 96989947, 148337566, 190319896, 193979894, 296675132, 380639792, 387959788, 593350264, 775919576, 1186700528, 1260869311, 1551839152, 2521738622, 5043477244, 10086954488, 20173908976]

約数ペア:

[(1, 20173908976), (2, 10086954488), (4, 5043477244), (8, 2521738622), (13, 1551839152), (16, 1260869311), (17, 1186700528), (26, 775919576), (34, 593350264), (52, 387959788), (53, 380639792), (68, 296675132), (104, 193979894), (106, 190319896), (136, 148337566), (208, 96989947), (212, 95159948), (221, 91284656), (272, 74168783), (424, 47579974), (442, 45642328), (689, 29279984), (848, 23789987), (884, 22821164), (901, 22390576), (1378, 14639992), (1768, 11410582), (1802, 11195288), (2756, 7319996), (3536, 5705291), (3604, 5597644), (5512, 3659998), (7208, 2798822), (11024, 1829999), (11713, 1722352), (14416, 1399411), (23426, 861176), (46852, 430588), (93704, 215294), (107647, 187408)]