20315910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30487290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 83, 123, 166, 199, 205, 246, 249, 398, 410, 415, 498, 597, 615, 830, 995, 1194, 1230, 1245, 1990, 2490, 2985, 3403, 5970, 6806, 8159, 10209, 16318, 16517, 17015, 20418, 24477, 33034, 34030, 40795, 48954, 49551, 51045, 81590, 82585, 99102, 102090, 122385, 165170, 244770, 247755, 495510, 677197, 1354394, 2031591, 3385985, 4063182, 6771970, 10157955, 20315910]

約数ペア:

[(1, 20315910), (2, 10157955), (3, 6771970), (5, 4063182), (6, 3385985), (10, 2031591), (15, 1354394), (30, 677197), (41, 495510), (82, 247755), (83, 244770), (123, 165170), (166, 122385), (199, 102090), (205, 99102), (246, 82585), (249, 81590), (398, 51045), (410, 49551), (415, 48954), (498, 40795), (597, 34030), (615, 33034), (830, 24477), (995, 20418), (1194, 17015), (1230, 16517), (1245, 16318), (1990, 10209), (2490, 8159), (2985, 6806), (3403, 5970)]