20398686670

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{647783}}^1$

素因数の和:647904

約数の個数: 32

約数和(自身を含む): 38058605568

約数和(自身を除く): 17659918898

約数列:

[1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 670, 3149, 6298, 15745, 31490, 647783, 1295566, 3238915, 6477830, 30445801, 43401461, 60891602, 86802922, 152229005, 217007305, 304458010, 434014610, 2039868667, 4079737334, 10199343335, 20398686670]

約数ペア:

[(1, 20398686670), (2, 10199343335), (5, 4079737334), (10, 2039868667), (47, 434014610), (67, 304458010), (94, 217007305), (134, 152229005), (235, 86802922), (335, 60891602), (470, 43401461), (670, 30445801), (3149, 6477830), (6298, 3238915), (15745, 1295566), (31490, 647783)]