20650440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4651}}^1$

素因数の和:4702

約数の個数: 64

約数和(自身を含む): 63639360

約数和(自身を除く): 42988920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4651, 9302, 13953, 18604, 23255, 27906, 37208, 46510, 55812, 69765, 93020, 111624, 139530, 172087, 186040, 279060, 344174, 516261, 558120, 688348, 860435, 1032522, 1376696, 1720870, 2065044, 2581305, 3441740, 4130088, 5162610, 6883480, 10325220, 20650440]

約数ペア:

[(1, 20650440), (2, 10325220), (3, 6883480), (4, 5162610), (5, 4130088), (6, 3441740), (8, 2581305), (10, 2065044), (12, 1720870), (15, 1376696), (20, 1032522), (24, 860435), (30, 688348), (37, 558120), (40, 516261), (60, 344174), (74, 279060), (111, 186040), (120, 172087), (148, 139530), (185, 111624), (222, 93020), (296, 69765), (370, 55812), (444, 46510), (555, 37208), (740, 27906), (888, 23255), (1110, 18604), (1480, 13953), (2220, 9302), (4440, 4651)]