20095904

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 43865388

約数和(自身を除く): 23769484

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 53, 68, 82, 106, 136, 164, 212, 272, 289, 328, 424, 544, 578, 656, 697, 848, 901, 1156, 1312, 1394, 1696, 1802, 2173, 2312, 2788, 3604, 4346, 4624, 5576, 7208, 8692, 9248, 11152, 11849, 14416, 15317, 17384, 22304, 23698, 28832, 30634, 34768, 36941, 47396, 61268, 69536, 73882, 94792, 122536, 147764, 189584, 245072, 295528, 379168, 490144, 591056, 627997, 1182112, 1255994, 2511988, 5023976, 10047952, 20095904]

約数ペア:

[(1, 20095904), (2, 10047952), (4, 5023976), (8, 2511988), (16, 1255994), (17, 1182112), (32, 627997), (34, 591056), (41, 490144), (53, 379168), (68, 295528), (82, 245072), (106, 189584), (136, 147764), (164, 122536), (212, 94792), (272, 73882), (289, 69536), (328, 61268), (424, 47396), (544, 36941), (578, 34768), (656, 30634), (697, 28832), (848, 23698), (901, 22304), (1156, 17384), (1312, 15317), (1394, 14416), (1696, 11849), (1802, 11152), (2173, 9248), (2312, 8692), (2788, 7208), (3604, 5576), (4346, 4624)]