20987584

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{8863}}^1$

素因数の和:8912

約数の個数: 28

約数和(自身を含む): 42777664

約数和(自身を除く): 21790080

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 2368, 8863, 17726, 35452, 70904, 141808, 283616, 327931, 567232, 655862, 1311724, 2623448, 5246896, 10493792, 20987584]

約数ペア:

[(1, 20987584), (2, 10493792), (4, 5246896), (8, 2623448), (16, 1311724), (32, 655862), (37, 567232), (64, 327931), (74, 283616), (148, 141808), (296, 70904), (592, 35452), (1184, 17726), (2368, 8863)]