20887394520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5614891}}^1$

素因数の和:5614936

約数の個数: 64

約数和(自身を含む): 64683555840

約数和(自身を除く): 43796161320

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, 5614891, 11229782, 16844673, 22459564, 28074455, 33689346, 44919128, 56148910, 67378692, 84223365, 112297820, 134757384, 168446730, 174061621, 224595640, 336893460, 348123242, 522184863, 673786920, 696246484, 870308105, 1044369726, 1392492968, 1740616210, 2088739452, 2610924315, 3481232420, 4177478904, 5221848630, 6962464840, 10443697260, 20887394520]

約数ペア:

[(1, 20887394520), (2, 10443697260), (3, 6962464840), (4, 5221848630), (5, 4177478904), (6, 3481232420), (8, 2610924315), (10, 2088739452), (12, 1740616210), (15, 1392492968), (20, 1044369726), (24, 870308105), (30, 696246484), (31, 673786920), (40, 522184863), (60, 348123242), (62, 336893460), (93, 224595640), (120, 174061621), (124, 168446730), (155, 134757384), (186, 112297820), (248, 84223365), (310, 67378692), (372, 56148910), (465, 44919128), (620, 33689346), (744, 28074455), (930, 22459564), (1240, 16844673), (1860, 11229782), (3720, 5614891)]