20199333904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1889}}^1\times {\mathrm{39313}}^1$

素因数の和:41227

約数の個数: 40

約数和(自身を含む): 41461330680

約数和(自身を除く): 21261996776

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1889, 3778, 7556, 15112, 30224, 32113, 39313, 64226, 78626, 128452, 157252, 256904, 314504, 513808, 629008, 668321, 1336642, 2673284, 5346568, 10693136, 74262257, 148524514, 297049028, 594098056, 1188196112, 1262458369, 2524916738, 5049833476, 10099666952, 20199333904]

約数ペア:

[(1, 20199333904), (2, 10099666952), (4, 5049833476), (8, 2524916738), (16, 1262458369), (17, 1188196112), (34, 594098056), (68, 297049028), (136, 148524514), (272, 74262257), (1889, 10693136), (3778, 5346568), (7556, 2673284), (15112, 1336642), (30224, 668321), (32113, 629008), (39313, 513808), (64226, 314504), (78626, 256904), (128452, 157252)]