20778535860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{803501}}^1$

素因数の和:803944

約数の個数: 48

約数和(自身を含む): 58314961152

約数和(自身を除く): 37536425292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 862, 1293, 1724, 2155, 2586, 4310, 5172, 6465, 8620, 12930, 25860, 803501, 1607002, 2410503, 3214004, 4017505, 4821006, 8035010, 9642012, 12052515, 16070020, 24105030, 48210060, 346308931, 692617862, 1038926793, 1385235724, 1731544655, 2077853586, 3463089310, 4155707172, 5194633965, 6926178620, 10389267930, 20778535860]

約数ペア:

[(1, 20778535860), (2, 10389267930), (3, 6926178620), (4, 5194633965), (5, 4155707172), (6, 3463089310), (10, 2077853586), (12, 1731544655), (15, 1385235724), (20, 1038926793), (30, 692617862), (60, 346308931), (431, 48210060), (862, 24105030), (1293, 16070020), (1724, 12052515), (2155, 9642012), (2586, 8035010), (4310, 4821006), (5172, 4017505), (6465, 3214004), (8620, 2410503), (12930, 1607002), (25860, 803501)]