20201993792

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18568009}}^1$

素因数の和:18568038

約数の個数: 28

約数和(自身を含む): 42446470860

約数和(自身を除く): 22244477068

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18568009, 37136018, 74272036, 148544072, 297088144, 315656153, 594176288, 631312306, 1188352576, 1262624612, 2525249224, 5050498448, 10100996896, 20201993792]

約数ペア:

[(1, 20201993792), (2, 10100996896), (4, 5050498448), (8, 2525249224), (16, 1262624612), (17, 1188352576), (32, 631312306), (34, 594176288), (64, 315656153), (68, 297088144), (136, 148544072), (272, 74272036), (544, 37136018), (1088, 18568009)]