20938496

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1024

約数の個数: 36

約数和(自身を含む): 42310800

約数和(自身を除く): 21372304

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 919, 1424, 1838, 2848, 3676, 5696, 7352, 11392, 14704, 22784, 29408, 58816, 81791, 117632, 163582, 235264, 327164, 654328, 1308656, 2617312, 5234624, 10469248, 20938496]

約数ペア:

[(1, 20938496), (2, 10469248), (4, 5234624), (8, 2617312), (16, 1308656), (32, 654328), (64, 327164), (89, 235264), (128, 163582), (178, 117632), (256, 81791), (356, 58816), (712, 29408), (919, 22784), (1424, 14704), (1838, 11392), (2848, 7352), (3676, 5696)]