200820844

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{90787}}^1$

素因数の和:90877

約数の個数: 24

約数和(自身を含む): 406730240

約数和(自身を除く): 205909396

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 90787, 181574, 363148, 635509, 1271018, 2542036, 7172173, 14344346, 28688692, 50205211, 100410422, 200820844]

約数ペア:

[(1, 200820844), (2, 100410422), (4, 50205211), (7, 28688692), (14, 14344346), (28, 7172173), (79, 2542036), (158, 1271018), (316, 635509), (553, 363148), (1106, 181574), (2212, 90787)]