20175556898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{148829}}^1$

素因数の和:149282

約数の個数: 32

約数和(自身を含む): 36176405760

約数和(自身を除く): 16000848862

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 421, 842, 2947, 5894, 9683, 19366, 67781, 135562, 148829, 297658, 1041803, 2083606, 3423067, 6846134, 23961469, 47922938, 62657009, 125314018, 438599063, 877198126, 1441111207, 2882222414, 10087778449, 20175556898]

約数ペア:

[(1, 20175556898), (2, 10087778449), (7, 2882222414), (14, 1441111207), (23, 877198126), (46, 438599063), (161, 125314018), (322, 62657009), (421, 47922938), (842, 23961469), (2947, 6846134), (5894, 3423067), (9683, 2083606), (19366, 1041803), (67781, 297658), (135562, 148829)]