20136904

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 40606020

約数和(自身を除く): 20469116

約数列:

[1, 2, 4, 8, 29, 41, 58, 73, 82, 116, 146, 164, 232, 292, 328, 584, 841, 1189, 1682, 2117, 2378, 2993, 3364, 4234, 4756, 5986, 6728, 8468, 9512, 11972, 16936, 23944, 34481, 61393, 68962, 86797, 122786, 137924, 173594, 245572, 275848, 347188, 491144, 694376, 2517113, 5034226, 10068452, 20136904]

約数ペア:

[(1, 20136904), (2, 10068452), (4, 5034226), (8, 2517113), (29, 694376), (41, 491144), (58, 347188), (73, 275848), (82, 245572), (116, 173594), (146, 137924), (164, 122786), (232, 86797), (292, 68962), (328, 61393), (584, 34481), (841, 23944), (1189, 16936), (1682, 11972), (2117, 9512), (2378, 8468), (2993, 6728), (3364, 5986), (4234, 4756)]