20727190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3089}}^1$

素因数の和:3168

約数の個数: 32

約数和(自身を含む): 41381280

約数和(自身を除く): 20654090

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3089, 3355, 6178, 6710, 15445, 30890, 33979, 67958, 169895, 188429, 339790, 376858, 942145, 1884290, 2072719, 4145438, 10363595, 20727190]

約数ペア:

[(1, 20727190), (2, 10363595), (5, 4145438), (10, 2072719), (11, 1884290), (22, 942145), (55, 376858), (61, 339790), (110, 188429), (122, 169895), (305, 67958), (610, 33979), (671, 30890), (1342, 15445), (3089, 6710), (3355, 6178)]