20505696

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 37409952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 37, 46, 48, 69, 74, 92, 96, 111, 138, 148, 184, 222, 251, 276, 296, 368, 444, 502, 552, 592, 736, 753, 851, 888, 1004, 1104, 1184, 1506, 1702, 1776, 2008, 2208, 2553, 3012, 3404, 3552, 4016, 5106, 5773, 6024, 6808, 8032, 9287, 10212, 11546, 12048, 13616, 17319, 18574, 20424, 23092, 24096, 27232, 27861, 34638, 37148, 40848, 46184, 55722, 69276, 74296, 81696, 92368, 111444, 138552, 148592, 184736, 213601, 222888, 277104, 297184, 427202, 445776, 554208, 640803, 854404, 891552, 1281606, 1708808, 2563212, 3417616, 5126424, 6835232, 10252848, 20505696]

約数ペア:

[(1, 20505696), (2, 10252848), (3, 6835232), (4, 5126424), (6, 3417616), (8, 2563212), (12, 1708808), (16, 1281606), (23, 891552), (24, 854404), (32, 640803), (37, 554208), (46, 445776), (48, 427202), (69, 297184), (74, 277104), (92, 222888), (96, 213601), (111, 184736), (138, 148592), (148, 138552), (184, 111444), (222, 92368), (251, 81696), (276, 74296), (296, 69276), (368, 55722), (444, 46184), (502, 40848), (552, 37148), (592, 34638), (736, 27861), (753, 27232), (851, 24096), (888, 23092), (1004, 20424), (1104, 18574), (1184, 17319), (1506, 13616), (1702, 12048), (1776, 11546), (2008, 10212), (2208, 9287), (2553, 8032), (3012, 6808), (3404, 6024), (3552, 5773), (4016, 5106)]