19704840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5297}}^1$

素因数の和:5342

約数の個数: 64

約数和(自身を含む): 61032960

約数和(自身を除く): 41328120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5297, 10594, 15891, 21188, 26485, 31782, 42376, 52970, 63564, 79455, 105940, 127128, 158910, 164207, 211880, 317820, 328414, 492621, 635640, 656828, 821035, 985242, 1313656, 1642070, 1970484, 2463105, 3284140, 3940968, 4926210, 6568280, 9852420, 19704840]

約数ペア:

[(1, 19704840), (2, 9852420), (3, 6568280), (4, 4926210), (5, 3940968), (6, 3284140), (8, 2463105), (10, 1970484), (12, 1642070), (15, 1313656), (20, 985242), (24, 821035), (30, 656828), (31, 635640), (40, 492621), (60, 328414), (62, 317820), (93, 211880), (120, 164207), (124, 158910), (155, 127128), (186, 105940), (248, 79455), (310, 63564), (372, 52970), (465, 42376), (620, 31782), (744, 26485), (930, 21188), (1240, 15891), (1860, 10594), (3720, 5297)]