20971254

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 43311744

約数和(自身を除く): 22340490

約数列:

[1, 2, 3, 6, 41, 82, 123, 163, 246, 326, 489, 523, 978, 1046, 1569, 3138, 6683, 13366, 20049, 21443, 40098, 42886, 64329, 85249, 128658, 170498, 255747, 511494, 3495209, 6990418, 10485627, 20971254]

約数ペア:

[(1, 20971254), (2, 10485627), (3, 6990418), (6, 3495209), (41, 511494), (82, 255747), (123, 170498), (163, 128658), (246, 85249), (326, 64329), (489, 42886), (523, 40098), (978, 21443), (1046, 20049), (1569, 13366), (3138, 6683)]