20119667678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{404123}}^1$

素因数の和:404240

約数の個数: 32

約数和(自身を含む): 34450762752

約数和(自身を除く): 14331095074

約数列:

[1, 2, 11, 22, 31, 62, 73, 146, 341, 682, 803, 1606, 2263, 4526, 24893, 49786, 404123, 808246, 4445353, 8890706, 12527813, 25055626, 29500979, 59001958, 137805943, 275611886, 324510769, 649021538, 914530349, 1829060698, 10059833839, 20119667678]

約数ペア:

[(1, 20119667678), (2, 10059833839), (11, 1829060698), (22, 914530349), (31, 649021538), (62, 324510769), (73, 275611886), (146, 137805943), (341, 59001958), (682, 29500979), (803, 25055626), (1606, 12527813), (2263, 8890706), (4526, 4445353), (24893, 808246), (49786, 404123)]