20688822

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39065418

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 59, 63, 66, 69, 77, 99, 118, 121, 126, 138, 154, 161, 177, 198, 207, 231, 242, 253, 322, 354, 363, 413, 414, 462, 483, 506, 531, 649, 693, 726, 759, 826, 847, 966, 1062, 1089, 1239, 1298, 1357, 1386, 1449, 1518, 1694, 1771, 1947, 2178, 2277, 2478, 2541, 2714, 2783, 2898, 3542, 3717, 3894, 4071, 4543, 4554, 5082, 5313, 5566, 5841, 7139, 7434, 7623, 8142, 8349, 9086, 9499, 10626, 11682, 12213, 13629, 14278, 14927, 15246, 15939, 16698, 18998, 19481, 21417, 24426, 25047, 27258, 28497, 29854, 31878, 38962, 40887, 42834, 44781, 49973, 50094, 56994, 58443, 64251, 81774, 85491, 89562, 99946, 104489, 116886, 128502, 134343, 149919, 164197, 170982, 175329, 208978, 268686, 299838, 313467, 328394, 350658, 449757, 492591, 626934, 899514, 940401, 985182, 1149379, 1477773, 1880802, 2298758, 2955546, 3448137, 6896274, 10344411, 20688822]

約数ペア:

[(1, 20688822), (2, 10344411), (3, 6896274), (6, 3448137), (7, 2955546), (9, 2298758), (11, 1880802), (14, 1477773), (18, 1149379), (21, 985182), (22, 940401), (23, 899514), (33, 626934), (42, 492591), (46, 449757), (59, 350658), (63, 328394), (66, 313467), (69, 299838), (77, 268686), (99, 208978), (118, 175329), (121, 170982), (126, 164197), (138, 149919), (154, 134343), (161, 128502), (177, 116886), (198, 104489), (207, 99946), (231, 89562), (242, 85491), (253, 81774), (322, 64251), (354, 58443), (363, 56994), (413, 50094), (414, 49973), (462, 44781), (483, 42834), (506, 40887), (531, 38962), (649, 31878), (693, 29854), (726, 28497), (759, 27258), (826, 25047), (847, 24426), (966, 21417), (1062, 19481), (1089, 18998), (1239, 16698), (1298, 15939), (1357, 15246), (1386, 14927), (1449, 14278), (1518, 13629), (1694, 12213), (1771, 11682), (1947, 10626), (2178, 9499), (2277, 9086), (2478, 8349), (2541, 8142), (2714, 7623), (2783, 7434), (2898, 7139), (3542, 5841), (3717, 5566), (3894, 5313), (4071, 5082), (4543, 4554)]