20538848

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 27724192

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 37, 38, 44, 74, 76, 83, 88, 148, 152, 166, 176, 209, 296, 304, 332, 352, 407, 418, 592, 608, 664, 703, 814, 836, 913, 1184, 1328, 1406, 1577, 1628, 1672, 1826, 2656, 2812, 3071, 3154, 3256, 3344, 3652, 5624, 6142, 6308, 6512, 6688, 7304, 7733, 11248, 12284, 12616, 13024, 14608, 15466, 17347, 22496, 24568, 25232, 29216, 30932, 33781, 34694, 49136, 50464, 58349, 61864, 67562, 69388, 98272, 116698, 123728, 135124, 138776, 233396, 247456, 270248, 277552, 466792, 540496, 555104, 641839, 933584, 1080992, 1283678, 1867168, 2567356, 5134712, 10269424, 20538848]

約数ペア:

[(1, 20538848), (2, 10269424), (4, 5134712), (8, 2567356), (11, 1867168), (16, 1283678), (19, 1080992), (22, 933584), (32, 641839), (37, 555104), (38, 540496), (44, 466792), (74, 277552), (76, 270248), (83, 247456), (88, 233396), (148, 138776), (152, 135124), (166, 123728), (176, 116698), (209, 98272), (296, 69388), (304, 67562), (332, 61864), (352, 58349), (407, 50464), (418, 49136), (592, 34694), (608, 33781), (664, 30932), (703, 29216), (814, 25232), (836, 24568), (913, 22496), (1184, 17347), (1328, 15466), (1406, 14608), (1577, 13024), (1628, 12616), (1672, 12284), (1826, 11248), (2656, 7733), (2812, 7304), (3071, 6688), (3154, 6512), (3256, 6308), (3344, 6142), (3652, 5624)]