20218386

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 42356736

約数和(自身を除く): 22138350

約数列:

[1, 2, 3, 6, 31, 62, 71, 93, 142, 186, 213, 426, 1531, 2201, 3062, 4402, 4593, 6603, 9186, 13206, 47461, 94922, 108701, 142383, 217402, 284766, 326103, 652206, 3369731, 6739462, 10109193, 20218386]

約数ペア:

[(1, 20218386), (2, 10109193), (3, 6739462), (6, 3369731), (31, 652206), (62, 326103), (71, 284766), (93, 217402), (142, 142383), (186, 108701), (213, 94922), (426, 47461), (1531, 13206), (2201, 9186), (3062, 6603), (4402, 4593)]