20386496

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 56

約数和(自身を含む): 44165520

約数和(自身を除く): 23779024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 107, 208, 214, 229, 416, 428, 458, 832, 856, 916, 1391, 1712, 1832, 2782, 2977, 3424, 3664, 5564, 5954, 6848, 7328, 11128, 11908, 14656, 22256, 23816, 24503, 44512, 47632, 49006, 89024, 95264, 98012, 190528, 196024, 318539, 392048, 637078, 784096, 1274156, 1568192, 2548312, 5096624, 10193248, 20386496]

約数ペア:

[(1, 20386496), (2, 10193248), (4, 5096624), (8, 2548312), (13, 1568192), (16, 1274156), (26, 784096), (32, 637078), (52, 392048), (64, 318539), (104, 196024), (107, 190528), (208, 98012), (214, 95264), (229, 89024), (416, 49006), (428, 47632), (458, 44512), (832, 24503), (856, 23816), (916, 22256), (1391, 14656), (1712, 11908), (1832, 11128), (2782, 7328), (2977, 6848), (3424, 5954), (3664, 5564)]