20573904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32971}}^1$

素因数の和:32995

約数の個数: 40

約数和(自身を含む): 57239392

約数和(自身を除く): 36665488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32971, 65942, 98913, 131884, 197826, 263768, 395652, 428623, 527536, 791304, 857246, 1285869, 1582608, 1714492, 2571738, 3428984, 5143476, 6857968, 10286952, 20573904]

約数ペア:

[(1, 20573904), (2, 10286952), (3, 6857968), (4, 5143476), (6, 3428984), (8, 2571738), (12, 1714492), (13, 1582608), (16, 1285869), (24, 857246), (26, 791304), (39, 527536), (48, 428623), (52, 395652), (78, 263768), (104, 197826), (156, 131884), (208, 98913), (312, 65942), (624, 32971)]