20001756

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 50476160

約数和(自身を除く): 30474404

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2371, 2812, 4218, 4742, 7113, 8436, 9484, 14226, 28452, 45049, 87727, 90098, 135147, 175454, 180196, 263181, 270294, 350908, 526362, 540588, 1052724, 1666813, 3333626, 5000439, 6667252, 10000878, 20001756]

約数ペア:

[(1, 20001756), (2, 10000878), (3, 6667252), (4, 5000439), (6, 3333626), (12, 1666813), (19, 1052724), (37, 540588), (38, 526362), (57, 350908), (74, 270294), (76, 263181), (111, 180196), (114, 175454), (148, 135147), (222, 90098), (228, 87727), (444, 45049), (703, 28452), (1406, 14226), (2109, 9484), (2371, 8436), (2812, 7113), (4218, 4742)]