20145942725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{72253}}^1$

素因数の和:72869

約数の個数: 24

約数和(自身を含む): 26340918240

約数和(自身を除く): 6194975515

約数列:

[1, 5, 19, 25, 95, 475, 587, 2935, 11153, 14675, 55765, 72253, 278825, 361265, 1372807, 1806325, 6864035, 34320175, 42412511, 212062555, 805837709, 1060312775, 4029188545, 20145942725]

約数ペア:

[(1, 20145942725), (5, 4029188545), (19, 1060312775), (25, 805837709), (95, 212062555), (475, 42412511), (587, 34320175), (2935, 6864035), (11153, 1806325), (14675, 1372807), (55765, 361265), (72253, 278825)]