20178872752

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{1523}}^1\times {\mathrm{8537}}^1$

素因数の和:10165

約数の個数: 40

約数和(自身を含む): 39530188656

約数和(自身を除く): 19351315904

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1523, 1552, 3046, 6092, 8537, 12184, 17074, 24368, 34148, 68296, 136592, 147731, 295462, 590924, 828089, 1181848, 1656178, 2363696, 3312356, 6624712, 13001851, 13249424, 26003702, 52007404, 104014808, 208029616, 1261179547, 2522359094, 5044718188, 10089436376, 20178872752]

約数ペア:

[(1, 20178872752), (2, 10089436376), (4, 5044718188), (8, 2522359094), (16, 1261179547), (97, 208029616), (194, 104014808), (388, 52007404), (776, 26003702), (1523, 13249424), (1552, 13001851), (3046, 6624712), (6092, 3312356), (8537, 2363696), (12184, 1656178), (17074, 1181848), (24368, 828089), (34148, 590924), (68296, 295462), (136592, 147731)]