20162179640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{15091}}^1$

素因数の和:15492

約数の個数: 64

約数和(自身を含む): 45898997760

約数和(自身を除く): 25736818120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 263, 508, 526, 635, 1016, 1052, 1270, 1315, 2104, 2540, 2630, 5080, 5260, 10520, 15091, 30182, 33401, 60364, 66802, 75455, 120728, 133604, 150910, 167005, 267208, 301820, 334010, 603640, 668020, 1336040, 1916557, 3833114, 3968933, 7666228, 7937866, 9582785, 15332456, 15875732, 19165570, 19844665, 31751464, 38331140, 39689330, 76662280, 79378660, 158757320, 504054491, 1008108982, 2016217964, 2520272455, 4032435928, 5040544910, 10081089820, 20162179640]

約数ペア:

[(1, 20162179640), (2, 10081089820), (4, 5040544910), (5, 4032435928), (8, 2520272455), (10, 2016217964), (20, 1008108982), (40, 504054491), (127, 158757320), (254, 79378660), (263, 76662280), (508, 39689330), (526, 38331140), (635, 31751464), (1016, 19844665), (1052, 19165570), (1270, 15875732), (1315, 15332456), (2104, 9582785), (2540, 7937866), (2630, 7666228), (5080, 3968933), (5260, 3833114), (10520, 1916557), (15091, 1336040), (30182, 668020), (33401, 603640), (60364, 334010), (66802, 301820), (75455, 267208), (120728, 167005), (133604, 150910)]