20161284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 57200640

約数和(自身を除く): 37039356

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 78, 93, 124, 132, 143, 156, 186, 286, 341, 372, 379, 403, 429, 572, 682, 758, 806, 858, 1023, 1137, 1209, 1364, 1516, 1612, 1716, 2046, 2274, 2418, 4092, 4169, 4433, 4548, 4836, 4927, 8338, 8866, 9854, 11749, 12507, 13299, 14781, 16676, 17732, 19708, 23498, 25014, 26598, 29562, 35247, 46996, 50028, 53196, 54197, 59124, 70494, 108394, 129239, 140988, 152737, 162591, 216788, 258478, 305474, 325182, 387717, 458211, 516956, 610948, 650364, 775434, 916422, 1550868, 1680107, 1832844, 3360214, 5040321, 6720428, 10080642, 20161284]

約数ペア:

[(1, 20161284), (2, 10080642), (3, 6720428), (4, 5040321), (6, 3360214), (11, 1832844), (12, 1680107), (13, 1550868), (22, 916422), (26, 775434), (31, 650364), (33, 610948), (39, 516956), (44, 458211), (52, 387717), (62, 325182), (66, 305474), (78, 258478), (93, 216788), (124, 162591), (132, 152737), (143, 140988), (156, 129239), (186, 108394), (286, 70494), (341, 59124), (372, 54197), (379, 53196), (403, 50028), (429, 46996), (572, 35247), (682, 29562), (758, 26598), (806, 25014), (858, 23498), (1023, 19708), (1137, 17732), (1209, 16676), (1364, 14781), (1516, 13299), (1612, 12507), (1716, 11749), (2046, 9854), (2274, 8866), (2418, 8338), (4092, 4927), (4169, 4836), (4433, 4548)]