20558890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6029}}^1$

素因数の和:6078

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 21120470

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6029, 12058, 30145, 60290, 66319, 132638, 186899, 331595, 373798, 663190, 934495, 1868990, 2055889, 4111778, 10279445, 20558890]

約数ペア:

[(1, 20558890), (2, 10279445), (5, 4111778), (10, 2055889), (11, 1868990), (22, 934495), (31, 663190), (55, 373798), (62, 331595), (110, 186899), (155, 132638), (310, 66319), (341, 60290), (682, 30145), (1705, 12058), (3410, 6029)]