20481127490

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{650401}}^1$

素因数の和:650522

約数の個数: 32

約数和(自身を含む): 38212418304

約数和(自身を除く): 17731290814

約数列:

[1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 670, 3149, 6298, 15745, 31490, 650401, 1300802, 3252005, 6504010, 30568847, 43576867, 61137694, 87153734, 152844235, 217884335, 305688470, 435768670, 2048112749, 4096225498, 10240563745, 20481127490]

約数ペア:

[(1, 20481127490), (2, 10240563745), (5, 4096225498), (10, 2048112749), (47, 435768670), (67, 305688470), (94, 217884335), (134, 152844235), (235, 87153734), (335, 61137694), (470, 43576867), (670, 30568847), (3149, 6504010), (6298, 3252005), (15745, 1300802), (31490, 650401)]