20852650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4583}}^1$

素因数の和:4615

約数の個数: 48

約数和(自身を含む): 47746944

約数和(自身を除く): 26894294

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4583, 9166, 22915, 32081, 45830, 59579, 64162, 114575, 119158, 160405, 229150, 297895, 320810, 417053, 595790, 802025, 834106, 1489475, 1604050, 2085265, 2978950, 4170530, 10426325, 20852650]

約数ペア:

[(1, 20852650), (2, 10426325), (5, 4170530), (7, 2978950), (10, 2085265), (13, 1604050), (14, 1489475), (25, 834106), (26, 802025), (35, 595790), (50, 417053), (65, 320810), (70, 297895), (91, 229150), (130, 160405), (175, 119158), (182, 114575), (325, 64162), (350, 59579), (455, 45830), (650, 32081), (910, 22915), (2275, 9166), (4550, 4583)]