20330751

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11810049

約数列:

[1, 3, 7, 21, 59, 61, 177, 183, 269, 413, 427, 807, 1239, 1281, 1883, 3599, 5649, 10797, 15871, 16409, 25193, 47613, 49227, 75579, 111097, 114863, 333291, 344589, 968131, 2904393, 6776917, 20330751]

約数ペア:

[(1, 20330751), (3, 6776917), (7, 2904393), (21, 968131), (59, 344589), (61, 333291), (177, 114863), (183, 111097), (269, 75579), (413, 49227), (427, 47613), (807, 25193), (1239, 16409), (1281, 15871), (1883, 10797), (3599, 5649)]