20433296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 42939960

約数和(自身を除く): 22506664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 509, 772, 1018, 1544, 2036, 2509, 3088, 4072, 5018, 6617, 8144, 10036, 13234, 20072, 26468, 40144, 52936, 98237, 105872, 196474, 392948, 785896, 1277081, 1571792, 2554162, 5108324, 10216648, 20433296]

約数ペア:

[(1, 20433296), (2, 10216648), (4, 5108324), (8, 2554162), (13, 1571792), (16, 1277081), (26, 785896), (52, 392948), (104, 196474), (193, 105872), (208, 98237), (386, 52936), (509, 40144), (772, 26468), (1018, 20072), (1544, 13234), (2036, 10036), (2509, 8144), (3088, 6617), (4072, 5018)]