20438376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 61813440

約数和(自身を除く): 41375064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 337, 361, 399, 456, 532, 674, 722, 798, 1011, 1064, 1083, 1348, 1444, 1596, 2022, 2166, 2359, 2527, 2696, 2888, 3192, 4044, 4332, 4718, 5054, 6403, 7077, 7581, 8088, 8664, 9436, 10108, 12806, 14154, 15162, 18872, 19209, 20216, 25612, 28308, 30324, 38418, 44821, 51224, 56616, 60648, 76836, 89642, 121657, 134463, 153672, 179284, 243314, 268926, 358568, 364971, 486628, 537852, 729942, 851599, 973256, 1075704, 1459884, 1703198, 2554797, 2919768, 3406396, 5109594, 6812792, 10219188, 20438376]

約数ペア:

[(1, 20438376), (2, 10219188), (3, 6812792), (4, 5109594), (6, 3406396), (7, 2919768), (8, 2554797), (12, 1703198), (14, 1459884), (19, 1075704), (21, 973256), (24, 851599), (28, 729942), (38, 537852), (42, 486628), (56, 364971), (57, 358568), (76, 268926), (84, 243314), (114, 179284), (133, 153672), (152, 134463), (168, 121657), (228, 89642), (266, 76836), (337, 60648), (361, 56616), (399, 51224), (456, 44821), (532, 38418), (674, 30324), (722, 28308), (798, 25612), (1011, 20216), (1064, 19209), (1083, 18872), (1348, 15162), (1444, 14154), (1596, 12806), (2022, 10108), (2166, 9436), (2359, 8664), (2527, 8088), (2696, 7581), (2888, 7077), (3192, 6403), (4044, 5054), (4332, 4718)]