20163940760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1\times {\mathrm{30047}}^1$

素因数の和:30960

約数の個数: 64

約数和(自身を含む): 47812377600

約数和(自身を除く): 27648436840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 883, 1766, 3532, 4415, 7064, 8830, 16777, 17660, 30047, 33554, 35320, 60094, 67108, 83885, 120188, 134216, 150235, 167770, 240376, 300470, 335540, 570893, 600940, 671080, 1141786, 1201880, 2283572, 2854465, 4567144, 5708930, 11417860, 22835720, 26531501, 53063002, 106126004, 132657505, 212252008, 265315010, 504098519, 530630020, 1008197038, 1061260040, 2016394076, 2520492595, 4032788152, 5040985190, 10081970380, 20163940760]

約数ペア:

[(1, 20163940760), (2, 10081970380), (4, 5040985190), (5, 4032788152), (8, 2520492595), (10, 2016394076), (19, 1061260040), (20, 1008197038), (38, 530630020), (40, 504098519), (76, 265315010), (95, 212252008), (152, 132657505), (190, 106126004), (380, 53063002), (760, 26531501), (883, 22835720), (1766, 11417860), (3532, 5708930), (4415, 4567144), (7064, 2854465), (8830, 2283572), (16777, 1201880), (17660, 1141786), (30047, 671080), (33554, 600940), (35320, 570893), (60094, 335540), (67108, 300470), (83885, 240376), (120188, 167770), (134216, 150235)]