20719320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7507}}^1$

素因数の和:7544

約数の個数: 64

約数和(自身を含む): 64869120

約数和(自身を除く): 44149800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7507, 15014, 22521, 30028, 37535, 45042, 60056, 75070, 90084, 112605, 150140, 172661, 180168, 225210, 300280, 345322, 450420, 517983, 690644, 863305, 900840, 1035966, 1381288, 1726610, 2071932, 2589915, 3453220, 4143864, 5179830, 6906440, 10359660, 20719320]

約数ペア:

[(1, 20719320), (2, 10359660), (3, 6906440), (4, 5179830), (5, 4143864), (6, 3453220), (8, 2589915), (10, 2071932), (12, 1726610), (15, 1381288), (20, 1035966), (23, 900840), (24, 863305), (30, 690644), (40, 517983), (46, 450420), (60, 345322), (69, 300280), (92, 225210), (115, 180168), (120, 172661), (138, 150140), (184, 112605), (230, 90084), (276, 75070), (345, 60056), (460, 45042), (552, 37535), (690, 30028), (920, 22521), (1380, 15014), (2760, 7507)]