20454154

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 36533376

約数和(自身を除く): 16079222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 557, 602, 854, 1114, 2623, 3899, 5246, 7798, 18361, 23951, 33977, 36722, 47902, 67954, 167657, 237839, 335314, 475678, 1461011, 2922022, 10227077, 20454154]

約数ペア:

[(1, 20454154), (2, 10227077), (7, 2922022), (14, 1461011), (43, 475678), (61, 335314), (86, 237839), (122, 167657), (301, 67954), (427, 47902), (557, 36722), (602, 33977), (854, 23951), (1114, 18361), (2623, 7798), (3899, 5246)]