20216576919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{11119}}^1$

素因数の和:11620

約数の個数: 64

約数和(自身を含む): 35663708160

約数和(自身を除く): 15447131241

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 463, 561, 1309, 1389, 3241, 3927, 5093, 7871, 9723, 11119, 15279, 23613, 33357, 35651, 55097, 77833, 86581, 106953, 122309, 165291, 189023, 233499, 259743, 366927, 567069, 606067, 856163, 1323161, 1818201, 2079253, 2568489, 3969483, 5148097, 6237759, 14554771, 15444291, 36036679, 43664313, 56629067, 87517649, 108110037, 169887201, 262552947, 396403469, 612623543, 962694139, 1189210407, 1837870629, 2888082417, 6738858973, 20216576919]

約数ペア:

[(1, 20216576919), (3, 6738858973), (7, 2888082417), (11, 1837870629), (17, 1189210407), (21, 962694139), (33, 612623543), (51, 396403469), (77, 262552947), (119, 169887201), (187, 108110037), (231, 87517649), (357, 56629067), (463, 43664313), (561, 36036679), (1309, 15444291), (1389, 14554771), (3241, 6237759), (3927, 5148097), (5093, 3969483), (7871, 2568489), (9723, 2079253), (11119, 1818201), (15279, 1323161), (23613, 856163), (33357, 606067), (35651, 567069), (55097, 366927), (77833, 259743), (86581, 233499), (106953, 189023), (122309, 165291)]