20128403984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3336937}}^1$

素因数の和:3336987

約数の個数: 40

約数和(自身を含む): 43446932760

約数和(自身を除く): 23318528776

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 6032, 3336937, 6673874, 13347748, 26695496, 43380181, 53390992, 86760362, 96771173, 173520724, 193542346, 347041448, 387084692, 694082896, 774169384, 1258025249, 1548338768, 2516050498, 5032100996, 10064201992, 20128403984]

約数ペア:

[(1, 20128403984), (2, 10064201992), (4, 5032100996), (8, 2516050498), (13, 1548338768), (16, 1258025249), (26, 774169384), (29, 694082896), (52, 387084692), (58, 347041448), (104, 193542346), (116, 173520724), (208, 96771173), (232, 86760362), (377, 53390992), (464, 43380181), (754, 26695496), (1508, 13347748), (3016, 6673874), (6032, 3336937)]