20145364616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{670261}}^1$

素因数の和:670314

約数の個数: 48

約数和(自身を含む): 43211791140

約数和(自身を除く): 23066426524

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 884, 1156, 1768, 2312, 3757, 7514, 15028, 30056, 670261, 1340522, 2681044, 5362088, 8713393, 11394437, 17426786, 22788874, 34853572, 45577748, 69707144, 91155496, 148127681, 193705429, 296255362, 387410858, 592510724, 774821716, 1185021448, 1549643432, 2518170577, 5036341154, 10072682308, 20145364616]

約数ペア:

[(1, 20145364616), (2, 10072682308), (4, 5036341154), (8, 2518170577), (13, 1549643432), (17, 1185021448), (26, 774821716), (34, 592510724), (52, 387410858), (68, 296255362), (104, 193705429), (136, 148127681), (221, 91155496), (289, 69707144), (442, 45577748), (578, 34853572), (884, 22788874), (1156, 17426786), (1768, 11394437), (2312, 8713393), (3757, 5362088), (7514, 2681044), (15028, 1340522), (30056, 670261)]