20839316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 38572800

約数和(自身を除く): 17733484

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 4099, 5084, 8198, 16396, 127069, 168059, 254138, 336118, 508276, 672236, 5209829, 10419658, 20839316]

約数ペア:

[(1, 20839316), (2, 10419658), (4, 5209829), (31, 672236), (41, 508276), (62, 336118), (82, 254138), (124, 168059), (164, 127069), (1271, 16396), (2542, 8198), (4099, 5084)]