20886395886

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{656681}}^1$

素因数の和:656742

約数の個数: 64

約数和(自身を含む): 50433177600

約数和(自身を除く): 29546781714

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 513, 558, 589, 837, 1026, 1178, 1674, 1767, 3534, 5301, 10602, 15903, 31806, 656681, 1313362, 1970043, 3940086, 5910129, 11820258, 12476939, 17730387, 20357111, 24953878, 35460774, 37430817, 40714222, 61071333, 74861634, 112292451, 122142666, 183213999, 224584902, 336877353, 366427998, 386785109, 549641997, 673754706, 773570218, 1099283994, 1160355327, 2320710654, 3481065981, 6962131962, 10443197943, 20886395886]

約数ペア:

[(1, 20886395886), (2, 10443197943), (3, 6962131962), (6, 3481065981), (9, 2320710654), (18, 1160355327), (19, 1099283994), (27, 773570218), (31, 673754706), (38, 549641997), (54, 386785109), (57, 366427998), (62, 336877353), (93, 224584902), (114, 183213999), (171, 122142666), (186, 112292451), (279, 74861634), (342, 61071333), (513, 40714222), (558, 37430817), (589, 35460774), (837, 24953878), (1026, 20357111), (1178, 17730387), (1674, 12476939), (1767, 11820258), (3534, 5910129), (5301, 3940086), (10602, 1970043), (15903, 1313362), (31806, 656681)]