20246210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 21122110

約数列:

[1, 2, 5, 10, 19, 23, 38, 41, 46, 82, 95, 113, 115, 190, 205, 226, 230, 410, 437, 565, 779, 874, 943, 1130, 1558, 1886, 2147, 2185, 2599, 3895, 4294, 4370, 4633, 4715, 5198, 7790, 9266, 9430, 10735, 12995, 17917, 21470, 23165, 25990, 35834, 46330, 49381, 88027, 89585, 98762, 106559, 176054, 179170, 213118, 246905, 440135, 493810, 532795, 880270, 1065590, 2024621, 4049242, 10123105, 20246210]

約数ペア:

[(1, 20246210), (2, 10123105), (5, 4049242), (10, 2024621), (19, 1065590), (23, 880270), (38, 532795), (41, 493810), (46, 440135), (82, 246905), (95, 213118), (113, 179170), (115, 176054), (190, 106559), (205, 98762), (226, 89585), (230, 88027), (410, 49381), (437, 46330), (565, 35834), (779, 25990), (874, 23165), (943, 21470), (1130, 17917), (1558, 12995), (1886, 10735), (2147, 9430), (2185, 9266), (2599, 7790), (3895, 5198), (4294, 4715), (4370, 4633)]