20075689940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{122011}}^1$

素因数の和:122472

約数の個数: 48

約数和(自身を含む): 44480694720

約数和(自身を除く): 24405004780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 433, 866, 1732, 2165, 4330, 8227, 8660, 16454, 32908, 41135, 82270, 122011, 164540, 244022, 488044, 610055, 1220110, 2318209, 2440220, 4636418, 9272836, 11591045, 23182090, 46364180, 52830763, 105661526, 211323052, 264153815, 528307630, 1003784497, 1056615260, 2007568994, 4015137988, 5018922485, 10037844970, 20075689940]

約数ペア:

[(1, 20075689940), (2, 10037844970), (4, 5018922485), (5, 4015137988), (10, 2007568994), (19, 1056615260), (20, 1003784497), (38, 528307630), (76, 264153815), (95, 211323052), (190, 105661526), (380, 52830763), (433, 46364180), (866, 23182090), (1732, 11591045), (2165, 9272836), (4330, 4636418), (8227, 2440220), (8660, 2318209), (16454, 1220110), (32908, 610055), (41135, 488044), (82270, 244022), (122011, 164540)]