20702977239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{476029}}^1$

素因数の和:476167

約数の個数: 32

約数和(自身を含む): 33512512000

約数和(自身を除く): 12809534761

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 2071, 2289, 6213, 14497, 43491, 476029, 1428087, 3332203, 9044551, 9996609, 27133653, 51887161, 63311857, 155661483, 189935571, 363210127, 985856059, 1089630381, 2957568177, 6900992413, 20702977239]

約数ペア:

[(1, 20702977239), (3, 6900992413), (7, 2957568177), (19, 1089630381), (21, 985856059), (57, 363210127), (109, 189935571), (133, 155661483), (327, 63311857), (399, 51887161), (763, 27133653), (2071, 9996609), (2289, 9044551), (6213, 3332203), (14497, 1428087), (43491, 476029)]