20903268

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5393}}^1$

素因数の和:5436

約数の個数: 48

約数和(自身を含む): 54371520

約数和(自身を除く): 33468252

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5393, 10786, 16179, 21572, 32358, 64716, 91681, 102467, 183362, 204934, 275043, 307401, 366724, 409868, 550086, 614802, 1100172, 1229604, 1741939, 3483878, 5225817, 6967756, 10451634, 20903268]

約数ペア:

[(1, 20903268), (2, 10451634), (3, 6967756), (4, 5225817), (6, 3483878), (12, 1741939), (17, 1229604), (19, 1100172), (34, 614802), (38, 550086), (51, 409868), (57, 366724), (68, 307401), (76, 275043), (102, 204934), (114, 183362), (204, 102467), (228, 91681), (323, 64716), (646, 32358), (969, 21572), (1292, 16179), (1938, 10786), (3876, 5393)]