20733615

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9403}}^1$

素因数の和:9428

約数の個数: 36

約数和(自身を含む): 41810184

約数和(自身を除く): 21076569

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9403, 28209, 47015, 65821, 84627, 141045, 197463, 329105, 423135, 460747, 592389, 987315, 1382241, 2303735, 2961945, 4146723, 6911205, 20733615]

約数ペア:

[(1, 20733615), (3, 6911205), (5, 4146723), (7, 2961945), (9, 2303735), (15, 1382241), (21, 987315), (35, 592389), (45, 460747), (49, 423135), (63, 329105), (105, 197463), (147, 141045), (245, 84627), (315, 65821), (441, 47015), (735, 28209), (2205, 9403)]