20769411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 10841469

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 403, 419, 533, 1209, 1257, 1271, 1599, 3813, 5447, 12989, 16341, 16523, 17179, 38967, 49569, 51537, 168857, 223327, 506571, 532549, 669981, 1597647, 6923137, 20769411]

約数ペア:

[(1, 20769411), (3, 6923137), (13, 1597647), (31, 669981), (39, 532549), (41, 506571), (93, 223327), (123, 168857), (403, 51537), (419, 49569), (533, 38967), (1209, 17179), (1257, 16523), (1271, 16341), (1599, 12989), (3813, 5447)]