20792928

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16661}}^1$

素因数の和:16687

約数の個数: 48

約数和(自身を含む): 58783536

約数和(自身を除く): 37990608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16661, 33322, 49983, 66644, 99966, 133288, 199932, 216593, 266576, 399864, 433186, 533152, 649779, 799728, 866372, 1299558, 1599456, 1732744, 2599116, 3465488, 5198232, 6930976, 10396464, 20792928]

約数ペア:

[(1, 20792928), (2, 10396464), (3, 6930976), (4, 5198232), (6, 3465488), (8, 2599116), (12, 1732744), (13, 1599456), (16, 1299558), (24, 866372), (26, 799728), (32, 649779), (39, 533152), (48, 433186), (52, 399864), (78, 266576), (96, 216593), (104, 199932), (156, 133288), (208, 99966), (312, 66644), (416, 49983), (624, 33322), (1248, 16661)]