20289702952

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1\times {\mathrm{541}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 39116682000

約数和(自身を除く): 18826979048

約数列:

[1, 2, 4, 8, 53, 106, 197, 212, 394, 424, 449, 541, 788, 898, 1082, 1576, 1796, 2164, 3592, 4328, 10441, 20882, 23797, 28673, 41764, 47594, 57346, 83528, 88453, 95188, 106577, 114692, 176906, 190376, 213154, 229384, 242909, 353812, 426308, 485818, 707624, 852616, 971636, 1943272, 4688009, 5648581, 9376018, 11297162, 12874177, 18752036, 22594324, 25748354, 37504072, 45188648, 47853073, 51496708, 95706146, 102993416, 191412292, 382824584, 2536212869, 5072425738, 10144851476, 20289702952]

約数ペア:

[(1, 20289702952), (2, 10144851476), (4, 5072425738), (8, 2536212869), (53, 382824584), (106, 191412292), (197, 102993416), (212, 95706146), (394, 51496708), (424, 47853073), (449, 45188648), (541, 37504072), (788, 25748354), (898, 22594324), (1082, 18752036), (1576, 12874177), (1796, 11297162), (2164, 9376018), (3592, 5648581), (4328, 4688009), (10441, 1943272), (20882, 971636), (23797, 852616), (28673, 707624), (41764, 485818), (47594, 426308), (57346, 353812), (83528, 242909), (88453, 229384), (95188, 213154), (106577, 190376), (114692, 176906)]