20109069976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1\times {\mathrm{3691}}^1$

素因数の和:4280

約数の個数: 64

約数和(自身を含む): 40325500800

約数和(自身を除く): 20216430824

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 491, 584, 982, 1387, 1964, 2774, 3691, 3928, 5548, 7382, 9329, 11096, 14764, 18658, 29528, 35843, 37316, 70129, 71686, 74632, 140258, 143372, 269443, 280516, 286744, 538886, 561032, 681017, 1077772, 1362034, 1812281, 2155544, 2724068, 3624562, 5119417, 5448136, 7249124, 10238834, 14498248, 20477668, 34433339, 40955336, 68866678, 132296513, 137733356, 264593026, 275466712, 529186052, 1058372104, 2513633747, 5027267494, 10054534988, 20109069976]

約数ペア:

[(1, 20109069976), (2, 10054534988), (4, 5027267494), (8, 2513633747), (19, 1058372104), (38, 529186052), (73, 275466712), (76, 264593026), (146, 137733356), (152, 132296513), (292, 68866678), (491, 40955336), (584, 34433339), (982, 20477668), (1387, 14498248), (1964, 10238834), (2774, 7249124), (3691, 5448136), (3928, 5119417), (5548, 3624562), (7382, 2724068), (9329, 2155544), (11096, 1812281), (14764, 1362034), (18658, 1077772), (29528, 681017), (35843, 561032), (37316, 538886), (70129, 286744), (71686, 280516), (74632, 269443), (140258, 143372)]