20738400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8641}}^1$

素因数の和:8664

約数の個数: 72

約数和(自身を含む): 67511304

約数和(自身を除く): 46772904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8641, 17282, 25923, 34564, 43205, 51846, 69128, 86410, 103692, 129615, 138256, 172820, 207384, 216025, 259230, 276512, 345640, 414768, 432050, 518460, 648075, 691280, 829536, 864100, 1036920, 1296150, 1382560, 1728200, 2073840, 2592300, 3456400, 4147680, 5184600, 6912800, 10369200, 20738400]

約数ペア:

[(1, 20738400), (2, 10369200), (3, 6912800), (4, 5184600), (5, 4147680), (6, 3456400), (8, 2592300), (10, 2073840), (12, 1728200), (15, 1382560), (16, 1296150), (20, 1036920), (24, 864100), (25, 829536), (30, 691280), (32, 648075), (40, 518460), (48, 432050), (50, 414768), (60, 345640), (75, 276512), (80, 259230), (96, 216025), (100, 207384), (120, 172820), (150, 138256), (160, 129615), (200, 103692), (240, 86410), (300, 69128), (400, 51846), (480, 43205), (600, 34564), (800, 25923), (1200, 17282), (2400, 8641)]