20809999296

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^1\times {\mathrm{840197}}^1$

素因数の和:840258

約数の個数: 84

約数和(自身を含む): 61035343512

約数和(自身を除く): 40225344216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 129, 144, 172, 192, 258, 288, 344, 387, 516, 576, 688, 774, 1032, 1376, 1548, 2064, 2752, 3096, 4128, 6192, 8256, 12384, 24768, 840197, 1680394, 2520591, 3360788, 5041182, 6721576, 7561773, 10082364, 13443152, 15123546, 20164728, 26886304, 30247092, 36128471, 40329456, 53772608, 60494184, 72256942, 80658912, 108385413, 120988368, 144513884, 161317824, 216770826, 241976736, 289027768, 325156239, 433541652, 483953472, 578055536, 650312478, 867083304, 1156111072, 1300624956, 1734166608, 2312222144, 2601249912, 3468333216, 5202499824, 6936666432, 10404999648, 20809999296]

約数ペア:

[(1, 20809999296), (2, 10404999648), (3, 6936666432), (4, 5202499824), (6, 3468333216), (8, 2601249912), (9, 2312222144), (12, 1734166608), (16, 1300624956), (18, 1156111072), (24, 867083304), (32, 650312478), (36, 578055536), (43, 483953472), (48, 433541652), (64, 325156239), (72, 289027768), (86, 241976736), (96, 216770826), (129, 161317824), (144, 144513884), (172, 120988368), (192, 108385413), (258, 80658912), (288, 72256942), (344, 60494184), (387, 53772608), (516, 40329456), (576, 36128471), (688, 30247092), (774, 26886304), (1032, 20164728), (1376, 15123546), (1548, 13443152), (2064, 10082364), (2752, 7561773), (3096, 6721576), (4128, 5041182), (6192, 3360788), (8256, 2520591), (12384, 1680394), (24768, 840197)]