20139990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 52629696

約数和(自身を除く): 32489706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 457, 565, 678, 914, 1130, 1371, 1469, 1695, 2285, 2742, 2938, 3390, 4407, 4570, 5941, 6855, 7345, 8814, 11882, 13710, 14690, 17823, 22035, 29705, 35646, 44070, 51641, 59410, 89115, 103282, 154923, 178230, 258205, 309846, 516410, 671333, 774615, 1342666, 1549230, 2013999, 3356665, 4027998, 6713330, 10069995, 20139990]

約数ペア:

[(1, 20139990), (2, 10069995), (3, 6713330), (5, 4027998), (6, 3356665), (10, 2013999), (13, 1549230), (15, 1342666), (26, 774615), (30, 671333), (39, 516410), (65, 309846), (78, 258205), (113, 178230), (130, 154923), (195, 103282), (226, 89115), (339, 59410), (390, 51641), (457, 44070), (565, 35646), (678, 29705), (914, 22035), (1130, 17823), (1371, 14690), (1469, 13710), (1695, 11882), (2285, 8814), (2742, 7345), (2938, 6855), (3390, 5941), (4407, 4570)]