19720590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16033}}^1$

素因数の和:16084

約数の個数: 32

約数和(自身を含む): 48486816

約数和(自身を除く): 28766226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16033, 32066, 48099, 80165, 96198, 160330, 240495, 480990, 657353, 1314706, 1972059, 3286765, 3944118, 6573530, 9860295, 19720590]

約数ペア:

[(1, 19720590), (2, 9860295), (3, 6573530), (5, 3944118), (6, 3286765), (10, 1972059), (15, 1314706), (30, 657353), (41, 480990), (82, 240495), (123, 160330), (205, 96198), (246, 80165), (410, 48099), (615, 32066), (1230, 16033)]