20625168

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 55996416

約数和(自身を除く): 35371248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 83, 93, 124, 166, 167, 186, 248, 249, 332, 334, 372, 496, 498, 501, 664, 668, 744, 996, 1002, 1328, 1336, 1488, 1992, 2004, 2573, 2672, 3984, 4008, 5146, 5177, 7719, 8016, 10292, 10354, 13861, 15438, 15531, 20584, 20708, 27722, 30876, 31062, 41168, 41416, 41583, 55444, 61752, 62124, 82832, 83166, 110888, 123504, 124248, 166332, 221776, 248496, 332664, 429691, 665328, 859382, 1289073, 1718764, 2578146, 3437528, 5156292, 6875056, 10312584, 20625168]

約数ペア:

[(1, 20625168), (2, 10312584), (3, 6875056), (4, 5156292), (6, 3437528), (8, 2578146), (12, 1718764), (16, 1289073), (24, 859382), (31, 665328), (48, 429691), (62, 332664), (83, 248496), (93, 221776), (124, 166332), (166, 124248), (167, 123504), (186, 110888), (248, 83166), (249, 82832), (332, 62124), (334, 61752), (372, 55444), (496, 41583), (498, 41416), (501, 41168), (664, 31062), (668, 30876), (744, 27722), (996, 20708), (1002, 20584), (1328, 15531), (1336, 15438), (1488, 13861), (1992, 10354), (2004, 10292), (2573, 8016), (2672, 7719), (3984, 5177), (4008, 5146)]