20541432

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 54691200

約数和(自身を除く): 34149768

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 107, 114, 152, 214, 228, 321, 421, 428, 456, 642, 842, 856, 1263, 1284, 1684, 2033, 2526, 2568, 3368, 4066, 5052, 6099, 7999, 8132, 10104, 12198, 15998, 16264, 23997, 24396, 31996, 45047, 47994, 48792, 63992, 90094, 95988, 135141, 180188, 191976, 270282, 360376, 540564, 855893, 1081128, 1711786, 2567679, 3423572, 5135358, 6847144, 10270716, 20541432]

約数ペア:

[(1, 20541432), (2, 10270716), (3, 6847144), (4, 5135358), (6, 3423572), (8, 2567679), (12, 1711786), (19, 1081128), (24, 855893), (38, 540564), (57, 360376), (76, 270282), (107, 191976), (114, 180188), (152, 135141), (214, 95988), (228, 90094), (321, 63992), (421, 48792), (428, 47994), (456, 45047), (642, 31996), (842, 24396), (856, 23997), (1263, 16264), (1284, 15998), (1684, 12198), (2033, 10104), (2526, 8132), (2568, 7999), (3368, 6099), (4066, 5052)]