20251569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 10520655

約数列:

[1, 3, 13, 23, 39, 69, 107, 211, 299, 321, 633, 897, 1391, 2461, 2743, 4173, 4853, 7383, 8229, 14559, 22577, 31993, 63089, 67731, 95979, 189267, 293501, 519271, 880503, 1557813, 6750523, 20251569]

約数ペア:

[(1, 20251569), (3, 6750523), (13, 1557813), (23, 880503), (39, 519271), (69, 293501), (107, 189267), (211, 95979), (299, 67731), (321, 63089), (633, 31993), (897, 22577), (1391, 14559), (2461, 8229), (2743, 7383), (4173, 4853)]