20372205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 40186368

約数和(自身を除く): 19814163

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 101, 105, 113, 119, 255, 303, 339, 357, 505, 565, 595, 707, 791, 1515, 1695, 1717, 1785, 1921, 2121, 2373, 3535, 3955, 5151, 5763, 8585, 9605, 10605, 11413, 11865, 12019, 13447, 25755, 28815, 34239, 36057, 40341, 57065, 60095, 67235, 79891, 171195, 180285, 194021, 201705, 239673, 399455, 582063, 970105, 1198365, 1358147, 2910315, 4074441, 6790735, 20372205]

約数ペア:

[(1, 20372205), (3, 6790735), (5, 4074441), (7, 2910315), (15, 1358147), (17, 1198365), (21, 970105), (35, 582063), (51, 399455), (85, 239673), (101, 201705), (105, 194021), (113, 180285), (119, 171195), (255, 79891), (303, 67235), (339, 60095), (357, 57065), (505, 40341), (565, 36057), (595, 34239), (707, 28815), (791, 25755), (1515, 13447), (1695, 12019), (1717, 11865), (1785, 11413), (1921, 10605), (2121, 9605), (2373, 8585), (3535, 5763), (3955, 5151)]