20175886864

素因数分解:

$2^4\times 7^1\times {\mathrm{18143}}^1\times {\mathrm{9929}}^1$

素因数の和:28087

約数の個数: 40

約数和(自身を含む): 44682140160

約数和(自身を除く): 24506253296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 9929, 18143, 19858, 36286, 39716, 69503, 72572, 79432, 127001, 139006, 145144, 158864, 254002, 278012, 290288, 508004, 556024, 1016008, 1112048, 2032016, 180141847, 360283694, 720567388, 1260992929, 1441134776, 2521985858, 2882269552, 5043971716, 10087943432, 20175886864]

約数ペア:

[(1, 20175886864), (2, 10087943432), (4, 5043971716), (7, 2882269552), (8, 2521985858), (14, 1441134776), (16, 1260992929), (28, 720567388), (56, 360283694), (112, 180141847), (9929, 2032016), (18143, 1112048), (19858, 1016008), (36286, 556024), (39716, 508004), (69503, 290288), (72572, 278012), (79432, 254002), (127001, 158864), (139006, 145144)]