20879839872

素因数分解:

$2^7\times 3^2\times {\mathrm{113}}^1\times {\mathrm{160397}}^1$

素因数の和:160530

約数の個数: 96

約数和(自身を含む): 60616008180

約数和(自身を除く): 39736168308

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 113, 128, 144, 192, 226, 288, 339, 384, 452, 576, 678, 904, 1017, 1152, 1356, 1808, 2034, 2712, 3616, 4068, 5424, 7232, 8136, 10848, 14464, 16272, 21696, 32544, 43392, 65088, 130176, 160397, 320794, 481191, 641588, 962382, 1283176, 1443573, 1924764, 2566352, 2887146, 3849528, 5132704, 5774292, 7699056, 10265408, 11548584, 15398112, 18124861, 20530816, 23097168, 30796224, 36249722, 46194336, 54374583, 61592448, 72499444, 92388672, 108749166, 144998888, 163123749, 184777344, 217498332, 289997776, 326247498, 434996664, 579995552, 652494996, 869993328, 1159991104, 1304989992, 1739986656, 2319982208, 2609979984, 3479973312, 5219959968, 6959946624, 10439919936, 20879839872]

約数ペア:

[(1, 20879839872), (2, 10439919936), (3, 6959946624), (4, 5219959968), (6, 3479973312), (8, 2609979984), (9, 2319982208), (12, 1739986656), (16, 1304989992), (18, 1159991104), (24, 869993328), (32, 652494996), (36, 579995552), (48, 434996664), (64, 326247498), (72, 289997776), (96, 217498332), (113, 184777344), (128, 163123749), (144, 144998888), (192, 108749166), (226, 92388672), (288, 72499444), (339, 61592448), (384, 54374583), (452, 46194336), (576, 36249722), (678, 30796224), (904, 23097168), (1017, 20530816), (1152, 18124861), (1356, 15398112), (1808, 11548584), (2034, 10265408), (2712, 7699056), (3616, 5774292), (4068, 5132704), (5424, 3849528), (7232, 2887146), (8136, 2566352), (10848, 1924764), (14464, 1443573), (16272, 1283176), (21696, 962382), (32544, 641588), (43392, 481191), (65088, 320794), (130176, 160397)]