20100456668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{16189}}^1$

素因数の和:16291

約数の個数: 72

約数和(自身を含む): 40513208400

約数和(自身を除く): 20412751732

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 527, 589, 646, 961, 1054, 1178, 1292, 1922, 2108, 2356, 3844, 10013, 16189, 16337, 18259, 20026, 32378, 32674, 36518, 40052, 64756, 65348, 73036, 275213, 307591, 310403, 501859, 550426, 615182, 620806, 1003718, 1100852, 1230364, 1241612, 2007436, 5229047, 8531603, 9535321, 10458094, 15557629, 17063206, 19070642, 20916188, 31115258, 34126412, 38141284, 62230516, 162100457, 264479693, 295594951, 324200914, 528959386, 591189902, 648401828, 1057918772, 1182379804, 5025114167, 10050228334, 20100456668]

約数ペア:

[(1, 20100456668), (2, 10050228334), (4, 5025114167), (17, 1182379804), (19, 1057918772), (31, 648401828), (34, 591189902), (38, 528959386), (62, 324200914), (68, 295594951), (76, 264479693), (124, 162100457), (323, 62230516), (527, 38141284), (589, 34126412), (646, 31115258), (961, 20916188), (1054, 19070642), (1178, 17063206), (1292, 15557629), (1922, 10458094), (2108, 9535321), (2356, 8531603), (3844, 5229047), (10013, 2007436), (16189, 1241612), (16337, 1230364), (18259, 1100852), (20026, 1003718), (32378, 620806), (32674, 615182), (36518, 550426), (40052, 501859), (64756, 310403), (65348, 307591), (73036, 275213)]