20176769984

素因数分解:

$2^6\times 7^2\times {\mathrm{919}}^1\times {\mathrm{7001}}^1$

素因数の和:7946

約数の個数: 84

約数和(自身を含む): 46632479760

約数和(自身を除く): 26455709776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 919, 1568, 1838, 3136, 3676, 6433, 7001, 7352, 12866, 14002, 14704, 25732, 28004, 29408, 45031, 49007, 51464, 56008, 58816, 90062, 98014, 102928, 112016, 180124, 196028, 205856, 224032, 343049, 360248, 392056, 411712, 448064, 686098, 720496, 784112, 1372196, 1440992, 1568224, 2744392, 2881984, 3136448, 5488784, 6433919, 10977568, 12867838, 21955136, 25735676, 45037433, 51471352, 90074866, 102942704, 180149732, 205885408, 315262031, 360299464, 411770816, 630524062, 720598928, 1261048124, 1441197856, 2522096248, 2882395712, 5044192496, 10088384992, 20176769984]

約数ペア:

[(1, 20176769984), (2, 10088384992), (4, 5044192496), (7, 2882395712), (8, 2522096248), (14, 1441197856), (16, 1261048124), (28, 720598928), (32, 630524062), (49, 411770816), (56, 360299464), (64, 315262031), (98, 205885408), (112, 180149732), (196, 102942704), (224, 90074866), (392, 51471352), (448, 45037433), (784, 25735676), (919, 21955136), (1568, 12867838), (1838, 10977568), (3136, 6433919), (3676, 5488784), (6433, 3136448), (7001, 2881984), (7352, 2744392), (12866, 1568224), (14002, 1440992), (14704, 1372196), (25732, 784112), (28004, 720496), (29408, 686098), (45031, 448064), (49007, 411712), (51464, 392056), (56008, 360248), (58816, 343049), (90062, 224032), (98014, 205856), (102928, 196028), (112016, 180124)]