20442990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2591}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 49268736

約数和(自身を除く): 28825746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2591, 2630, 3945, 5182, 7773, 7890, 12955, 15546, 25910, 38865, 77730, 681433, 1362866, 2044299, 3407165, 4088598, 6814330, 10221495, 20442990]

約数ペア:

[(1, 20442990), (2, 10221495), (3, 6814330), (5, 4088598), (6, 3407165), (10, 2044299), (15, 1362866), (30, 681433), (263, 77730), (526, 38865), (789, 25910), (1315, 15546), (1578, 12955), (2591, 7890), (2630, 7773), (3945, 5182)]