20577664

素因数分解:

$2^7\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 20622176

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 373, 431, 746, 862, 1492, 1724, 2984, 3448, 5968, 6896, 11936, 13792, 23872, 27584, 47744, 55168, 160763, 321526, 643052, 1286104, 2572208, 5144416, 10288832, 20577664]

約数ペア:

[(1, 20577664), (2, 10288832), (4, 5144416), (8, 2572208), (16, 1286104), (32, 643052), (64, 321526), (128, 160763), (373, 55168), (431, 47744), (746, 27584), (862, 23872), (1492, 13792), (1724, 11936), (2984, 6896), (3448, 5968)]