20615951280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2095117}}^1$

素因数の和:2095174

約数の個数: 80

約数和(自身を含む): 65468247264

約数和(自身を除く): 44852295984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 2095117, 4190234, 6285351, 8380468, 10475585, 12570702, 16760936, 20951170, 25141404, 31426755, 33521872, 41902340, 50282808, 62853510, 83804680, 85899797, 100565616, 125707020, 167609360, 171799594, 251414040, 257699391, 343599188, 429498985, 502828080, 515398782, 687198376, 858997970, 1030797564, 1288496955, 1374396752, 1717995940, 2061595128, 2576993910, 3435991880, 4123190256, 5153987820, 6871983760, 10307975640, 20615951280]

約数ペア:

[(1, 20615951280), (2, 10307975640), (3, 6871983760), (4, 5153987820), (5, 4123190256), (6, 3435991880), (8, 2576993910), (10, 2061595128), (12, 1717995940), (15, 1374396752), (16, 1288496955), (20, 1030797564), (24, 858997970), (30, 687198376), (40, 515398782), (41, 502828080), (48, 429498985), (60, 343599188), (80, 257699391), (82, 251414040), (120, 171799594), (123, 167609360), (164, 125707020), (205, 100565616), (240, 85899797), (246, 83804680), (328, 62853510), (410, 50282808), (492, 41902340), (615, 33521872), (656, 31426755), (820, 25141404), (984, 20951170), (1230, 16760936), (1640, 12570702), (1968, 10475585), (2460, 8380468), (3280, 6285351), (4920, 4190234), (9840, 2095117)]