20162414180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:1005

約数の個数: 96

約数和(自身を含む): 43692953472

約数和(自身を除く): 23530539292

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 347, 388, 485, 491, 610, 694, 970, 982, 1220, 1388, 1735, 1940, 1964, 2455, 3470, 4910, 5917, 6940, 9820, 11834, 21167, 23668, 29585, 29951, 33659, 42334, 47627, 59170, 59902, 67318, 84668, 95254, 105835, 118340, 119804, 134636, 149755, 168295, 170377, 190508, 211670, 238135, 299510, 336590, 340754, 423340, 476270, 599020, 673180, 681508, 851885, 952540, 1703770, 2053199, 2905247, 3407540, 4106398, 5810494, 8212796, 10265995, 10392997, 11620988, 14526235, 16526569, 20531990, 20785994, 29052470, 33053138, 41063980, 41571988, 51964985, 58104940, 66106276, 82632845, 103929970, 165265690, 207859940, 330531380, 1008120709, 2016241418, 4032482836, 5040603545, 10081207090, 20162414180]

約数ペア:

[(1, 20162414180), (2, 10081207090), (4, 5040603545), (5, 4032482836), (10, 2016241418), (20, 1008120709), (61, 330531380), (97, 207859940), (122, 165265690), (194, 103929970), (244, 82632845), (305, 66106276), (347, 58104940), (388, 51964985), (485, 41571988), (491, 41063980), (610, 33053138), (694, 29052470), (970, 20785994), (982, 20531990), (1220, 16526569), (1388, 14526235), (1735, 11620988), (1940, 10392997), (1964, 10265995), (2455, 8212796), (3470, 5810494), (4910, 4106398), (5917, 3407540), (6940, 2905247), (9820, 2053199), (11834, 1703770), (21167, 952540), (23668, 851885), (29585, 681508), (29951, 673180), (33659, 599020), (42334, 476270), (47627, 423340), (59170, 340754), (59902, 336590), (67318, 299510), (84668, 238135), (95254, 211670), (105835, 190508), (118340, 170377), (119804, 168295), (134636, 149755)]