20417096

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 47616000

約数和(自身を除く): 27198904

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 619, 868, 1064, 1178, 1238, 1736, 2356, 2476, 4123, 4333, 4712, 4952, 8246, 8666, 11761, 16492, 17332, 19189, 23522, 32984, 34664, 38378, 47044, 76756, 82327, 94088, 134323, 153512, 164654, 268646, 329308, 364591, 537292, 658616, 729182, 1074584, 1458364, 2552137, 2916728, 5104274, 10208548, 20417096]

約数ペア:

[(1, 20417096), (2, 10208548), (4, 5104274), (7, 2916728), (8, 2552137), (14, 1458364), (19, 1074584), (28, 729182), (31, 658616), (38, 537292), (56, 364591), (62, 329308), (76, 268646), (124, 164654), (133, 153512), (152, 134323), (217, 94088), (248, 82327), (266, 76756), (434, 47044), (532, 38378), (589, 34664), (619, 32984), (868, 23522), (1064, 19189), (1178, 17332), (1238, 16492), (1736, 11761), (2356, 8666), (2476, 8246), (4123, 4952), (4333, 4712)]