20418463376

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{69739}}^1$

素因数の和:70407

約数の個数: 40

約数和(自身を含む): 40990382400

約数和(自身を除く): 20571919024

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 631, 1262, 2524, 5048, 10096, 18299, 36598, 69739, 73196, 139478, 146392, 278956, 292784, 557912, 1115824, 2022431, 4044862, 8089724, 16179448, 32358896, 44005309, 88010618, 176021236, 352042472, 704084944, 1276153961, 2552307922, 5104615844, 10209231688, 20418463376]

約数ペア:

[(1, 20418463376), (2, 10209231688), (4, 5104615844), (8, 2552307922), (16, 1276153961), (29, 704084944), (58, 352042472), (116, 176021236), (232, 88010618), (464, 44005309), (631, 32358896), (1262, 16179448), (2524, 8089724), (5048, 4044862), (10096, 2022431), (18299, 1115824), (36598, 557912), (69739, 292784), (73196, 278956), (139478, 146392)]