20403040960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3750559}}^1$

素因数の和:3750593

約数の個数: 56

約数和(自身を含む): 51442680960

約数和(自身を除く): 31039640000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 3750559, 7501118, 15002236, 18752795, 30004472, 37505590, 60008944, 63759503, 75011180, 120017888, 127519006, 150022360, 240035776, 255038012, 300044720, 318797515, 510076024, 600089440, 637595030, 1020152048, 1200178880, 1275190060, 2040304096, 2550380120, 4080608192, 5100760240, 10201520480, 20403040960]

約数ペア:

[(1, 20403040960), (2, 10201520480), (4, 5100760240), (5, 4080608192), (8, 2550380120), (10, 2040304096), (16, 1275190060), (17, 1200178880), (20, 1020152048), (32, 637595030), (34, 600089440), (40, 510076024), (64, 318797515), (68, 300044720), (80, 255038012), (85, 240035776), (136, 150022360), (160, 127519006), (170, 120017888), (272, 75011180), (320, 63759503), (340, 60008944), (544, 37505590), (680, 30004472), (1088, 18752795), (1360, 15002236), (2720, 7501118), (5440, 3750559)]