20216306895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1\times {\mathrm{1201}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 34196649984

約数和(自身を除く): 13980343089

約数列:

[1, 3, 5, 15, 23, 69, 97, 115, 291, 345, 485, 503, 1201, 1455, 1509, 2231, 2515, 3603, 6005, 6693, 7545, 11155, 11569, 18015, 27623, 33465, 34707, 48791, 57845, 82869, 116497, 138115, 146373, 173535, 243955, 349491, 414345, 582485, 604103, 731865, 1122193, 1747455, 1812309, 2679431, 3020515, 3366579, 5610965, 8038293, 9061545, 13397155, 13894369, 16832895, 40191465, 41683107, 58597991, 69471845, 175793973, 208415535, 292989955, 878969865, 1347753793, 4043261379, 6738768965, 20216306895]

約数ペア:

[(1, 20216306895), (3, 6738768965), (5, 4043261379), (15, 1347753793), (23, 878969865), (69, 292989955), (97, 208415535), (115, 175793973), (291, 69471845), (345, 58597991), (485, 41683107), (503, 40191465), (1201, 16832895), (1455, 13894369), (1509, 13397155), (2231, 9061545), (2515, 8038293), (3603, 5610965), (6005, 3366579), (6693, 3020515), (7545, 2679431), (11155, 1812309), (11569, 1747455), (18015, 1122193), (27623, 731865), (33465, 604103), (34707, 582485), (48791, 414345), (57845, 349491), (82869, 243955), (116497, 173535), (138115, 146373)]