20315075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2435

約数の個数: 24

約数和(自身を含む): 28379136

約数和(自身を除く): 8064061

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2383, 8525, 11915, 26213, 59575, 73873, 131065, 369365, 655325, 812603, 1846825, 4063015, 20315075]

約数ペア:

[(1, 20315075), (5, 4063015), (11, 1846825), (25, 812603), (31, 655325), (55, 369365), (155, 131065), (275, 73873), (341, 59575), (775, 26213), (1705, 11915), (2383, 8525)]