20995584

素因数分解:

$2^9\times 3^1\times {\mathrm{13669}}^1$

素因数の和:13690

約数の個数: 40

約数和(自身を含む): 55937640

約数和(自身を除く): 34942056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13669, 27338, 41007, 54676, 82014, 109352, 164028, 218704, 328056, 437408, 656112, 874816, 1312224, 1749632, 2624448, 3499264, 5248896, 6998528, 10497792, 20995584]

約数ペア:

[(1, 20995584), (2, 10497792), (3, 6998528), (4, 5248896), (6, 3499264), (8, 2624448), (12, 1749632), (16, 1312224), (24, 874816), (32, 656112), (48, 437408), (64, 328056), (96, 218704), (128, 164028), (192, 109352), (256, 82014), (384, 54676), (512, 41007), (768, 27338), (1536, 13669)]