20763918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 53214720

約数和(自身を除く): 32450802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 163, 189, 326, 337, 378, 489, 674, 978, 1011, 1141, 1467, 2022, 2282, 2359, 2934, 3033, 3423, 4401, 4718, 6066, 6846, 7077, 8802, 9099, 10269, 14154, 18198, 20538, 21231, 30807, 42462, 54931, 61614, 63693, 109862, 127386, 164793, 329586, 384517, 494379, 769034, 988758, 1153551, 1483137, 2307102, 2966274, 3460653, 6921306, 10381959, 20763918]

約数ペア:

[(1, 20763918), (2, 10381959), (3, 6921306), (6, 3460653), (7, 2966274), (9, 2307102), (14, 1483137), (18, 1153551), (21, 988758), (27, 769034), (42, 494379), (54, 384517), (63, 329586), (126, 164793), (163, 127386), (189, 109862), (326, 63693), (337, 61614), (378, 54931), (489, 42462), (674, 30807), (978, 21231), (1011, 20538), (1141, 18198), (1467, 14154), (2022, 10269), (2282, 9099), (2359, 8802), (2934, 7077), (3033, 6846), (3423, 6066), (4401, 4718)]