20163705

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 33882624

約数和(自身を除く): 13718919

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 773, 1739, 2319, 3865, 5217, 8695, 11595, 26085, 28601, 36331, 85803, 108993, 143005, 181655, 429015, 544965, 1344247, 4032741, 6721235, 20163705]

約数ペア:

[(1, 20163705), (3, 6721235), (5, 4032741), (15, 1344247), (37, 544965), (47, 429015), (111, 181655), (141, 143005), (185, 108993), (235, 85803), (555, 36331), (705, 28601), (773, 26085), (1739, 11595), (2319, 8695), (3865, 5217)]