20123642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 37929600

約数和(自身を除く): 17805958

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 877, 1043, 1639, 1754, 2086, 3278, 6139, 9647, 11473, 12278, 19294, 22946, 67529, 130673, 135058, 261346, 914711, 1437403, 1829422, 2874806, 10061821, 20123642]

約数ペア:

[(1, 20123642), (2, 10061821), (7, 2874806), (11, 1829422), (14, 1437403), (22, 914711), (77, 261346), (149, 135058), (154, 130673), (298, 67529), (877, 22946), (1043, 19294), (1639, 12278), (1754, 11473), (2086, 9647), (3278, 6139)]