20613144

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 33012456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 139, 148, 167, 222, 278, 296, 334, 417, 444, 501, 556, 668, 834, 888, 1002, 1112, 1336, 1668, 2004, 3336, 4008, 5143, 6179, 10286, 12358, 15429, 18537, 20572, 23213, 24716, 30858, 37074, 41144, 46426, 49432, 61716, 69639, 74148, 92852, 123432, 139278, 148296, 185704, 278556, 557112, 858881, 1717762, 2576643, 3435524, 5153286, 6871048, 10306572, 20613144]

約数ペア:

[(1, 20613144), (2, 10306572), (3, 6871048), (4, 5153286), (6, 3435524), (8, 2576643), (12, 1717762), (24, 858881), (37, 557112), (74, 278556), (111, 185704), (139, 148296), (148, 139278), (167, 123432), (222, 92852), (278, 74148), (296, 69639), (334, 61716), (417, 49432), (444, 46426), (501, 41144), (556, 37074), (668, 30858), (834, 24716), (888, 23213), (1002, 20572), (1112, 18537), (1336, 15429), (1668, 12358), (2004, 10286), (3336, 6179), (4008, 5143)]