20565656172

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{128693}}^1$

素因数の和:128919

約数の個数: 72

約数和(自身を含む): 54527133024

約数和(自身を除く): 33961476852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 193, 207, 276, 386, 414, 579, 772, 828, 1158, 1737, 2316, 3474, 4439, 6948, 8878, 13317, 17756, 26634, 39951, 53268, 79902, 128693, 159804, 257386, 386079, 514772, 772158, 1158237, 1544316, 2316474, 2959939, 4632948, 5919878, 8879817, 11839756, 17759634, 24837749, 26639451, 35519268, 49675498, 53278902, 74513247, 99350996, 106557804, 149026494, 223539741, 298052988, 447079482, 571268227, 894158964, 1142536454, 1713804681, 2285072908, 3427609362, 5141414043, 6855218724, 10282828086, 20565656172]

約数ペア:

[(1, 20565656172), (2, 10282828086), (3, 6855218724), (4, 5141414043), (6, 3427609362), (9, 2285072908), (12, 1713804681), (18, 1142536454), (23, 894158964), (36, 571268227), (46, 447079482), (69, 298052988), (92, 223539741), (138, 149026494), (193, 106557804), (207, 99350996), (276, 74513247), (386, 53278902), (414, 49675498), (579, 35519268), (772, 26639451), (828, 24837749), (1158, 17759634), (1737, 11839756), (2316, 8879817), (3474, 5919878), (4439, 4632948), (6948, 2959939), (8878, 2316474), (13317, 1544316), (17756, 1158237), (26634, 772158), (39951, 514772), (53268, 386079), (79902, 257386), (128693, 159804)]