20177042795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{13691}}^1$

素因数の和:13836

約数の個数: 64

約数和(自身を含む): 30915440640

約数和(自身を除く): 10738397845

約数列:

[1, 5, 7, 13, 35, 41, 65, 79, 91, 205, 287, 395, 455, 533, 553, 1027, 1435, 2665, 2765, 3239, 3731, 5135, 7189, 13691, 16195, 18655, 22673, 35945, 42107, 68455, 95837, 113365, 177983, 210535, 294749, 479185, 561331, 889915, 1081589, 1245881, 1473745, 2806655, 3929317, 5407945, 6229405, 7297303, 7571123, 14060657, 19646585, 36486515, 37855615, 44345149, 51081121, 70303285, 98424599, 221725745, 255405605, 310416043, 492122995, 576486937, 1552080215, 2882434685, 4035408559, 20177042795]

約数ペア:

[(1, 20177042795), (5, 4035408559), (7, 2882434685), (13, 1552080215), (35, 576486937), (41, 492122995), (65, 310416043), (79, 255405605), (91, 221725745), (205, 98424599), (287, 70303285), (395, 51081121), (455, 44345149), (533, 37855615), (553, 36486515), (1027, 19646585), (1435, 14060657), (2665, 7571123), (2765, 7297303), (3239, 6229405), (3731, 5407945), (5135, 3929317), (7189, 2806655), (13691, 1473745), (16195, 1245881), (18655, 1081589), (22673, 889915), (35945, 561331), (42107, 479185), (68455, 294749), (95837, 210535), (113365, 177983)]