20575926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2237}}^1$

素因数の和:2325

約数の個数: 48

約数和(自身を含む): 51670944

約数和(自身を除く): 31095018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 2237, 3066, 4474, 4599, 6711, 9198, 13422, 15659, 20133, 31318, 40266, 46977, 93954, 140931, 163301, 281862, 326602, 489903, 979806, 1143107, 1469709, 2286214, 2939418, 3429321, 6858642, 10287963, 20575926]

約数ペア:

[(1, 20575926), (2, 10287963), (3, 6858642), (6, 3429321), (7, 2939418), (9, 2286214), (14, 1469709), (18, 1143107), (21, 979806), (42, 489903), (63, 326602), (73, 281862), (126, 163301), (146, 140931), (219, 93954), (438, 46977), (511, 40266), (657, 31318), (1022, 20133), (1314, 15659), (1533, 13422), (2237, 9198), (3066, 6711), (4474, 4599)]