20180965965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8243}}^1\times {\mathrm{9601}}^1$

素因数の和:17869

約数の個数: 32

約数和(自身を含む): 34196639616

約数和(自身を除く): 14015673651

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 8243, 9601, 24729, 28803, 41215, 48005, 123645, 140131, 144015, 163217, 420393, 489651, 700655, 816085, 2101965, 2448255, 79141043, 237423129, 395705215, 1187115645, 1345397731, 4036193193, 6726988655, 20180965965]

約数ペア:

[(1, 20180965965), (3, 6726988655), (5, 4036193193), (15, 1345397731), (17, 1187115645), (51, 395705215), (85, 237423129), (255, 79141043), (8243, 2448255), (9601, 2101965), (24729, 816085), (28803, 700655), (41215, 489651), (48005, 420393), (123645, 163217), (140131, 144015)]