20201984536

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6995147}}^1$

素因数の和:6995191

約数の個数: 24

約数和(自身を含む): 39977270820

約数和(自身を除く): 19775286284

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6995147, 13990294, 27980588, 55961176, 132907793, 265815586, 531631172, 1063262344, 2525248067, 5050496134, 10100992268, 20201984536]

約数ペア:

[(1, 20201984536), (2, 10100992268), (4, 5050496134), (8, 2525248067), (19, 1063262344), (38, 531631172), (76, 265815586), (152, 132907793), (361, 55961176), (722, 27980588), (1444, 13990294), (2888, 6995147)]