20155258370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{339257}}^1$

素因数の和:339734

約数の個数: 32

約数和(自身を含む): 39155801328

約数和(自身を除く): 19000542958

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 457, 914, 2285, 4570, 5941, 11882, 29705, 59410, 339257, 678514, 1696285, 3392570, 4410341, 8820682, 22051705, 44103410, 155040449, 310080898, 775202245, 1550404490, 2015525837, 4031051674, 10077629185, 20155258370]

約数ペア:

[(1, 20155258370), (2, 10077629185), (5, 4031051674), (10, 2015525837), (13, 1550404490), (26, 775202245), (65, 310080898), (130, 155040449), (457, 44103410), (914, 22051705), (2285, 8820682), (4570, 4410341), (5941, 3392570), (11882, 1696285), (29705, 678514), (59410, 339257)]