20099408

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:880

約数の個数: 60

約数和(自身を含む): 46818432

約数和(自身を除く): 26719024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 827, 868, 1519, 1654, 1736, 3038, 3308, 3472, 5789, 6076, 6616, 11578, 12152, 13232, 23156, 24304, 25637, 40523, 46312, 51274, 81046, 92624, 102548, 162092, 179459, 205096, 324184, 358918, 410192, 648368, 717836, 1256213, 1435672, 2512426, 2871344, 5024852, 10049704, 20099408]

約数ペア:

[(1, 20099408), (2, 10049704), (4, 5024852), (7, 2871344), (8, 2512426), (14, 1435672), (16, 1256213), (28, 717836), (31, 648368), (49, 410192), (56, 358918), (62, 324184), (98, 205096), (112, 179459), (124, 162092), (196, 102548), (217, 92624), (248, 81046), (392, 51274), (434, 46312), (496, 40523), (784, 25637), (827, 24304), (868, 23156), (1519, 13232), (1654, 12152), (1736, 11578), (3038, 6616), (3308, 6076), (3472, 5789)]