20768664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 38985576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 683, 724, 1086, 1267, 1366, 1448, 2049, 2172, 2534, 2732, 3801, 4098, 4344, 4781, 5068, 5464, 7602, 8196, 9562, 10136, 14343, 15204, 16392, 19124, 28686, 30408, 38248, 57372, 114744, 123623, 247246, 370869, 494492, 741738, 865361, 988984, 1483476, 1730722, 2596083, 2966952, 3461444, 5192166, 6922888, 10384332, 20768664]

約数ペア:

[(1, 20768664), (2, 10384332), (3, 6922888), (4, 5192166), (6, 3461444), (7, 2966952), (8, 2596083), (12, 1730722), (14, 1483476), (21, 988984), (24, 865361), (28, 741738), (42, 494492), (56, 370869), (84, 247246), (168, 123623), (181, 114744), (362, 57372), (543, 38248), (683, 30408), (724, 28686), (1086, 19124), (1267, 16392), (1366, 15204), (1448, 14343), (2049, 10136), (2172, 9562), (2534, 8196), (2732, 7602), (3801, 5464), (4098, 5068), (4344, 4781)]