20400242690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1871}}^1\times {\mathrm{12251}}^1$

素因数の和:14218

約数の個数: 32

約数和(自身を含む): 37155905280

約数和(自身を除く): 16755662590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1871, 3742, 9355, 12251, 18710, 24502, 61255, 122510, 166519, 333038, 832595, 1090339, 1665190, 2180678, 5451695, 10903390, 22921621, 45843242, 114608105, 229216210, 2040024269, 4080048538, 10200121345, 20400242690]

約数ペア:

[(1, 20400242690), (2, 10200121345), (5, 4080048538), (10, 2040024269), (89, 229216210), (178, 114608105), (445, 45843242), (890, 22921621), (1871, 10903390), (3742, 5451695), (9355, 2180678), (12251, 1665190), (18710, 1090339), (24502, 832595), (61255, 333038), (122510, 166519)]