20354115

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 33580800

約数和(自身を除く): 13226685

約数列:

[1, 3, 5, 15, 59, 109, 177, 211, 295, 327, 545, 633, 885, 1055, 1635, 3165, 6431, 12449, 19293, 22999, 32155, 37347, 62245, 68997, 96465, 114995, 186735, 344985, 1356941, 4070823, 6784705, 20354115]

約数ペア:

[(1, 20354115), (3, 6784705), (5, 4070823), (15, 1356941), (59, 344985), (109, 186735), (177, 114995), (211, 96465), (295, 68997), (327, 62245), (545, 37347), (633, 32155), (885, 22999), (1055, 19293), (1635, 12449), (3165, 6431)]