20795170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2393}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20573150

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2393, 4345, 4786, 8690, 11965, 23930, 26323, 52646, 131615, 189047, 263230, 378094, 945235, 1890470, 2079517, 4159034, 10397585, 20795170]

約数ペア:

[(1, 20795170), (2, 10397585), (5, 4159034), (10, 2079517), (11, 1890470), (22, 945235), (55, 378094), (79, 263230), (110, 189047), (158, 131615), (395, 52646), (790, 26323), (869, 23930), (1738, 11965), (2393, 8690), (4345, 4786)]