20353603970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{54217}}^1$

素因数の和:54435

約数の個数: 64

約数和(自身を含む): 43471558656

約数和(自身を除く): 23117954686

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 173, 217, 310, 346, 434, 865, 1085, 1211, 1730, 2170, 2422, 5363, 6055, 10726, 12110, 26815, 37541, 53630, 54217, 75082, 108434, 187705, 271085, 375410, 379519, 542170, 759038, 1680727, 1897595, 3361454, 3795190, 8403635, 9379541, 11765089, 16807270, 18759082, 23530178, 46897705, 58825445, 65656787, 93795410, 117650890, 131313574, 290765771, 328283935, 581531542, 656567870, 1453828855, 2035360397, 2907657710, 4070720794, 10176801985, 20353603970]

約数ペア:

[(1, 20353603970), (2, 10176801985), (5, 4070720794), (7, 2907657710), (10, 2035360397), (14, 1453828855), (31, 656567870), (35, 581531542), (62, 328283935), (70, 290765771), (155, 131313574), (173, 117650890), (217, 93795410), (310, 65656787), (346, 58825445), (434, 46897705), (865, 23530178), (1085, 18759082), (1211, 16807270), (1730, 11765089), (2170, 9379541), (2422, 8403635), (5363, 3795190), (6055, 3361454), (10726, 1897595), (12110, 1680727), (26815, 759038), (37541, 542170), (53630, 379519), (54217, 375410), (75082, 271085), (108434, 187705)]