20041781750

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{919}}^1\times {\mathrm{1051}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 38047726080

約数和(自身を除く): 18005944330

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 250, 415, 830, 919, 1051, 1838, 2075, 2102, 4150, 4595, 5255, 9190, 10375, 10510, 20750, 22975, 26275, 45950, 52550, 76277, 87233, 114875, 131375, 152554, 174466, 229750, 262750, 381385, 436165, 762770, 872330, 965869, 1906925, 1931738, 2180825, 3813850, 4361650, 4829345, 9534625, 9658690, 10904125, 19069250, 21808250, 24146725, 48293450, 80167127, 120733625, 160334254, 241467250, 400835635, 801671270, 2004178175, 4008356350, 10020890875, 20041781750]

約数ペア:

[(1, 20041781750), (2, 10020890875), (5, 4008356350), (10, 2004178175), (25, 801671270), (50, 400835635), (83, 241467250), (125, 160334254), (166, 120733625), (250, 80167127), (415, 48293450), (830, 24146725), (919, 21808250), (1051, 19069250), (1838, 10904125), (2075, 9658690), (2102, 9534625), (4150, 4829345), (4595, 4361650), (5255, 3813850), (9190, 2180825), (10375, 1931738), (10510, 1906925), (20750, 965869), (22975, 872330), (26275, 762770), (45950, 436165), (52550, 381385), (76277, 262750), (87233, 229750), (114875, 174466), (131375, 152554)]