20401104

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 52864672

約数和(自身を除く): 32463568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 661, 1286, 1322, 1929, 1983, 2572, 2644, 3858, 3966, 5144, 5288, 7716, 7932, 10288, 10576, 15432, 15864, 30864, 31728, 425023, 850046, 1275069, 1700092, 2550138, 3400184, 5100276, 6800368, 10200552, 20401104]

約数ペア:

[(1, 20401104), (2, 10200552), (3, 6800368), (4, 5100276), (6, 3400184), (8, 2550138), (12, 1700092), (16, 1275069), (24, 850046), (48, 425023), (643, 31728), (661, 30864), (1286, 15864), (1322, 15432), (1929, 10576), (1983, 10288), (2572, 7932), (2644, 7716), (3858, 5288), (3966, 5144)]