20574224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 45361680

約数和(自身を除く): 24787456

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 139, 176, 232, 278, 319, 464, 556, 638, 841, 1112, 1276, 1529, 1682, 2224, 2552, 3058, 3364, 4031, 5104, 6116, 6728, 8062, 9251, 12232, 13456, 16124, 18502, 24464, 32248, 37004, 44341, 64496, 74008, 88682, 116899, 148016, 177364, 233798, 354728, 467596, 709456, 935192, 1285889, 1870384, 2571778, 5143556, 10287112, 20574224]

約数ペア:

[(1, 20574224), (2, 10287112), (4, 5143556), (8, 2571778), (11, 1870384), (16, 1285889), (22, 935192), (29, 709456), (44, 467596), (58, 354728), (88, 233798), (116, 177364), (139, 148016), (176, 116899), (232, 88682), (278, 74008), (319, 64496), (464, 44341), (556, 37004), (638, 32248), (841, 24464), (1112, 18502), (1276, 16124), (1529, 13456), (1682, 12232), (2224, 9251), (2552, 8062), (3058, 6728), (3364, 6116), (4031, 5104)]