20077044525

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{33967}}^1$

素因数の和:34091

約数の個数: 72

約数和(自身を含む): 37453388544

約数和(自身を除く): 17376344019

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 71, 75, 111, 185, 213, 225, 333, 355, 555, 639, 925, 1065, 1665, 1775, 2627, 2775, 3195, 5325, 7881, 8325, 13135, 15975, 23643, 33967, 39405, 65675, 101901, 118215, 169835, 197025, 305703, 509505, 591075, 849175, 1256779, 1528515, 2411657, 2547525, 3770337, 6283895, 7234971, 7642575, 11311011, 12058285, 18851685, 21704913, 31419475, 36174855, 56555055, 60291425, 89231309, 94258425, 108524565, 180874275, 267693927, 282775275, 446156545, 542622825, 803081781, 1338469635, 2230782725, 4015408905, 6692348175, 20077044525]

約数ペア:

[(1, 20077044525), (3, 6692348175), (5, 4015408905), (9, 2230782725), (15, 1338469635), (25, 803081781), (37, 542622825), (45, 446156545), (71, 282775275), (75, 267693927), (111, 180874275), (185, 108524565), (213, 94258425), (225, 89231309), (333, 60291425), (355, 56555055), (555, 36174855), (639, 31419475), (925, 21704913), (1065, 18851685), (1665, 12058285), (1775, 11311011), (2627, 7642575), (2775, 7234971), (3195, 6283895), (5325, 3770337), (7881, 2547525), (8325, 2411657), (13135, 1528515), (15975, 1256779), (23643, 849175), (33967, 591075), (39405, 509505), (65675, 305703), (101901, 197025), (118215, 169835)]