20201117860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2657}}^1\times {\mathrm{4937}}^1$

素因数の和:7621

約数の個数: 96

約数和(自身を含む): 52920822528

約数和(自身を除く): 32719704668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2657, 4937, 5314, 9874, 10628, 13285, 18599, 19748, 24685, 26570, 29227, 34559, 37198, 49370, 53140, 54307, 58454, 69118, 74396, 92995, 98740, 108614, 116908, 138236, 146135, 172795, 185990, 204589, 217228, 271535, 292270, 345590, 371980, 380149, 409178, 543070, 584540, 691180, 760298, 818356, 1022945, 1086140, 1520596, 1900745, 2045890, 3801490, 4091780, 7602980, 13117609, 26235218, 52470436, 65588045, 91823263, 131176090, 144293699, 183646526, 262352180, 288587398, 367293052, 459116315, 577174796, 721468495, 918232630, 1010055893, 1442936990, 1836465260, 2020111786, 2885873980, 4040223572, 5050279465, 10100558930, 20201117860]

約数ペア:

[(1, 20201117860), (2, 10100558930), (4, 5050279465), (5, 4040223572), (7, 2885873980), (10, 2020111786), (11, 1836465260), (14, 1442936990), (20, 1010055893), (22, 918232630), (28, 721468495), (35, 577174796), (44, 459116315), (55, 367293052), (70, 288587398), (77, 262352180), (110, 183646526), (140, 144293699), (154, 131176090), (220, 91823263), (308, 65588045), (385, 52470436), (770, 26235218), (1540, 13117609), (2657, 7602980), (4937, 4091780), (5314, 3801490), (9874, 2045890), (10628, 1900745), (13285, 1520596), (18599, 1086140), (19748, 1022945), (24685, 818356), (26570, 760298), (29227, 691180), (34559, 584540), (37198, 543070), (49370, 409178), (53140, 380149), (54307, 371980), (58454, 345590), (69118, 292270), (74396, 271535), (92995, 217228), (98740, 204589), (108614, 185990), (116908, 172795), (138236, 146135)]