20414576

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2038

約数の個数: 60

約数和(自身を含む): 49574952

約数和(自身を除く): 29160376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2003, 2548, 4006, 5096, 8012, 10192, 14021, 16024, 26039, 28042, 32048, 52078, 56084, 98147, 104156, 112168, 182273, 196294, 208312, 224336, 364546, 392588, 416624, 729092, 785176, 1275911, 1458184, 1570352, 2551822, 2916368, 5103644, 10207288, 20414576]

約数ペア:

[(1, 20414576), (2, 10207288), (4, 5103644), (7, 2916368), (8, 2551822), (13, 1570352), (14, 1458184), (16, 1275911), (26, 785176), (28, 729092), (49, 416624), (52, 392588), (56, 364546), (91, 224336), (98, 208312), (104, 196294), (112, 182273), (182, 112168), (196, 104156), (208, 98147), (364, 56084), (392, 52078), (637, 32048), (728, 28042), (784, 26039), (1274, 16024), (1456, 14021), (2003, 10192), (2548, 8012), (4006, 5096)]