20185448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 41352000

約数和(自身を除く): 21166552

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 79, 82, 152, 158, 164, 316, 328, 632, 779, 1501, 1558, 1681, 3002, 3116, 3239, 3362, 6004, 6232, 6478, 6724, 12008, 12956, 13448, 25912, 31939, 61541, 63878, 123082, 127756, 132799, 246164, 255512, 265598, 492328, 531196, 1062392, 2523181, 5046362, 10092724, 20185448]

約数ペア:

[(1, 20185448), (2, 10092724), (4, 5046362), (8, 2523181), (19, 1062392), (38, 531196), (41, 492328), (76, 265598), (79, 255512), (82, 246164), (152, 132799), (158, 127756), (164, 123082), (316, 63878), (328, 61541), (632, 31939), (779, 25912), (1501, 13448), (1558, 12956), (1681, 12008), (3002, 6724), (3116, 6478), (3239, 6232), (3362, 6004)]