20170878975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2053}}^1\times {\mathrm{3359}}^1$

素因数の和:5441

約数の個数: 72

約数和(自身を含む): 38937924480

約数和(自身を除く): 18767045505

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2053, 2925, 3359, 6159, 10077, 10265, 16795, 18477, 26689, 30231, 30795, 43667, 50385, 51325, 80067, 83975, 92385, 131001, 133445, 151155, 153975, 218335, 240201, 251925, 393003, 400335, 461925, 655005, 667225, 755775, 1091675, 1201005, 1965015, 2001675, 3275025, 6005025, 6896027, 9825075, 20688081, 34480135, 62064243, 89648351, 103440405, 172400675, 268945053, 310321215, 448241755, 517202025, 806835159, 1344725265, 1551606075, 2241208775, 4034175795, 6723626325, 20170878975]

約数ペア:

[(1, 20170878975), (3, 6723626325), (5, 4034175795), (9, 2241208775), (13, 1551606075), (15, 1344725265), (25, 806835159), (39, 517202025), (45, 448241755), (65, 310321215), (75, 268945053), (117, 172400675), (195, 103440405), (225, 89648351), (325, 62064243), (585, 34480135), (975, 20688081), (2053, 9825075), (2925, 6896027), (3359, 6005025), (6159, 3275025), (10077, 2001675), (10265, 1965015), (16795, 1201005), (18477, 1091675), (26689, 755775), (30231, 667225), (30795, 655005), (43667, 461925), (50385, 400335), (51325, 393003), (80067, 251925), (83975, 240201), (92385, 218335), (131001, 153975), (133445, 151155)]