20855536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100267}}^1$

素因数の和:100288

約数の個数: 20

約数和(自身を含む): 43516312

約数和(自身を除く): 22660776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100267, 200534, 401068, 802136, 1303471, 1604272, 2606942, 5213884, 10427768, 20855536]

約数ペア:

[(1, 20855536), (2, 10427768), (4, 5213884), (8, 2606942), (13, 1604272), (16, 1303471), (26, 802136), (52, 401068), (104, 200534), (208, 100267)]