19720050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{2683}}^1$

素因数の和:2712

約数の個数: 72

約数和(自身を含む): 56911536

約数和(自身を除く): 37191486

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 2683, 3675, 5366, 7350, 8049, 13415, 16098, 18781, 26830, 37562, 40245, 56343, 67075, 80490, 93905, 112686, 131467, 134150, 187810, 201225, 262934, 281715, 394401, 402450, 469525, 563430, 657335, 788802, 939050, 1314670, 1408575, 1972005, 2817150, 3286675, 3944010, 6573350, 9860025, 19720050]

約数ペア:

[(1, 19720050), (2, 9860025), (3, 6573350), (5, 3944010), (6, 3286675), (7, 2817150), (10, 1972005), (14, 1408575), (15, 1314670), (21, 939050), (25, 788802), (30, 657335), (35, 563430), (42, 469525), (49, 402450), (50, 394401), (70, 281715), (75, 262934), (98, 201225), (105, 187810), (147, 134150), (150, 131467), (175, 112686), (210, 93905), (245, 80490), (294, 67075), (350, 56343), (490, 40245), (525, 37562), (735, 26830), (1050, 18781), (1225, 16098), (1470, 13415), (2450, 8049), (2683, 7350), (3675, 5366)]