20826496

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 44152740

約数和(自身を除く): 23326244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 563, 578, 1088, 1126, 1156, 2176, 2252, 2312, 4504, 4624, 9008, 9248, 9571, 18016, 18496, 19142, 36032, 36992, 38284, 72064, 76568, 153136, 162707, 306272, 325414, 612544, 650828, 1225088, 1301656, 2603312, 5206624, 10413248, 20826496]

約数ペア:

[(1, 20826496), (2, 10413248), (4, 5206624), (8, 2603312), (16, 1301656), (17, 1225088), (32, 650828), (34, 612544), (64, 325414), (68, 306272), (128, 162707), (136, 153136), (272, 76568), (289, 72064), (544, 38284), (563, 36992), (578, 36032), (1088, 19142), (1126, 18496), (1156, 18016), (2176, 9571), (2252, 9248), (2312, 9008), (4504, 4624)]