20869688

素因数分解:

$2^3\times 7^2\times {\mathrm{53239}}^1$

素因数の和:53259

約数の個数: 24

約数和(自身を含む): 45520200

約数和(自身を除く): 24650512

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53239, 106478, 212956, 372673, 425912, 745346, 1490692, 2608711, 2981384, 5217422, 10434844, 20869688]

約数ペア:

[(1, 20869688), (2, 10434844), (4, 5217422), (7, 2981384), (8, 2608711), (14, 1490692), (28, 745346), (49, 425912), (56, 372673), (98, 212956), (196, 106478), (392, 53239)]