20201409890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1\times {\mathrm{1237}}^1$

素因数の和:1683

約数の個数: 64

約数和(自身を含む): 37627514496

約数和(自身を除く): 17426104606

約数列:

[1, 2, 5, 10, 43, 86, 163, 215, 233, 326, 430, 466, 815, 1165, 1237, 1630, 2330, 2474, 6185, 7009, 10019, 12370, 14018, 20038, 35045, 37979, 50095, 53191, 70090, 75958, 100190, 106382, 189895, 201631, 265955, 288221, 379790, 403262, 531910, 576442, 1008155, 1441105, 1633097, 2016310, 2882210, 3266194, 8165485, 8670133, 12393503, 16330970, 17340266, 24787006, 43350665, 46980023, 61967515, 86701330, 93960046, 123935030, 234900115, 469800230, 2020140989, 4040281978, 10100704945, 20201409890]

約数ペア:

[(1, 20201409890), (2, 10100704945), (5, 4040281978), (10, 2020140989), (43, 469800230), (86, 234900115), (163, 123935030), (215, 93960046), (233, 86701330), (326, 61967515), (430, 46980023), (466, 43350665), (815, 24787006), (1165, 17340266), (1237, 16330970), (1630, 12393503), (2330, 8670133), (2474, 8165485), (6185, 3266194), (7009, 2882210), (10019, 2016310), (12370, 1633097), (14018, 1441105), (20038, 1008155), (35045, 576442), (37979, 531910), (50095, 403262), (53191, 379790), (70090, 288221), (75958, 265955), (100190, 201631), (106382, 189895)]