20203936

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 42081984

約数和(自身を除く): 21878048

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 97, 184, 194, 283, 368, 388, 566, 736, 776, 1132, 1552, 2231, 2264, 3104, 4462, 4528, 6509, 8924, 9056, 13018, 17848, 26036, 27451, 35696, 52072, 54902, 71392, 104144, 109804, 208288, 219608, 439216, 631373, 878432, 1262746, 2525492, 5050984, 10101968, 20203936]

約数ペア:

[(1, 20203936), (2, 10101968), (4, 5050984), (8, 2525492), (16, 1262746), (23, 878432), (32, 631373), (46, 439216), (92, 219608), (97, 208288), (184, 109804), (194, 104144), (283, 71392), (368, 54902), (388, 52072), (566, 35696), (736, 27451), (776, 26036), (1132, 17848), (1552, 13018), (2231, 9056), (2264, 8924), (3104, 6509), (4462, 4528)]