20020391566

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{3083}}^1$

素因数の和:3349

約数の個数: 64

約数和(自身を含む): 35811901440

約数和(自身を除く): 15791509874

約数列:

[1, 2, 7, 14, 47, 71, 94, 139, 142, 278, 329, 497, 658, 973, 994, 1946, 3083, 3337, 6166, 6533, 6674, 9869, 13066, 19738, 21581, 23359, 43162, 45731, 46718, 69083, 91462, 138166, 144901, 218893, 289802, 428537, 437786, 463843, 857074, 927686, 1014307, 1532251, 2028614, 2999759, 3064502, 3246901, 5999518, 6493802, 10287971, 20141239, 20575942, 30426127, 40282478, 60852254, 72015797, 140988673, 144031594, 212982889, 281977346, 425965778, 1430027969, 2860055938, 10010195783, 20020391566]

約数ペア:

[(1, 20020391566), (2, 10010195783), (7, 2860055938), (14, 1430027969), (47, 425965778), (71, 281977346), (94, 212982889), (139, 144031594), (142, 140988673), (278, 72015797), (329, 60852254), (497, 40282478), (658, 30426127), (973, 20575942), (994, 20141239), (1946, 10287971), (3083, 6493802), (3337, 5999518), (6166, 3246901), (6533, 3064502), (6674, 2999759), (9869, 2028614), (13066, 1532251), (19738, 1014307), (21581, 927686), (23359, 857074), (43162, 463843), (45731, 437786), (46718, 428537), (69083, 289802), (91462, 218893), (138166, 144901)]