20171669826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:1100

約数の個数: 128

約数和(自身を含む): 50736660480

約数和(自身を除く): 30564990654

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 271, 367, 439, 462, 542, 734, 813, 878, 1101, 1317, 1626, 1897, 2202, 2569, 2634, 2981, 3073, 3794, 4037, 4829, 5138, 5691, 5962, 6146, 7707, 8074, 8943, 9219, 9658, 11382, 12111, 14487, 15414, 17886, 18438, 20867, 24222, 28259, 28974, 33803, 41734, 56518, 62601, 67606, 84777, 99457, 101409, 118969, 125202, 161113, 169554, 198914, 202818, 237938, 298371, 322226, 356907, 483339, 596742, 696199, 713814, 832783, 966678, 1094027, 1127791, 1308659, 1392398, 1665566, 1772243, 2088597, 2188054, 2255582, 2498349, 2617318, 3282081, 3383373, 3544486, 3925977, 4177194, 4996698, 5316729, 6564162, 6766746, 7658189, 7851954, 9160613, 10633458, 12405701, 15316378, 18321226, 22974567, 24811402, 27481839, 37217103, 43661623, 45949134, 54963678, 74434206, 87323246, 130984869, 261969738, 305631361, 480277853, 611262722, 916894083, 960555706, 1440833559, 1833788166, 2881667118, 3361944971, 6723889942, 10085834913, 20171669826]

約数ペア:

[(1, 20171669826), (2, 10085834913), (3, 6723889942), (6, 3361944971), (7, 2881667118), (11, 1833788166), (14, 1440833559), (21, 960555706), (22, 916894083), (33, 611262722), (42, 480277853), (66, 305631361), (77, 261969738), (154, 130984869), (231, 87323246), (271, 74434206), (367, 54963678), (439, 45949134), (462, 43661623), (542, 37217103), (734, 27481839), (813, 24811402), (878, 22974567), (1101, 18321226), (1317, 15316378), (1626, 12405701), (1897, 10633458), (2202, 9160613), (2569, 7851954), (2634, 7658189), (2981, 6766746), (3073, 6564162), (3794, 5316729), (4037, 4996698), (4829, 4177194), (5138, 3925977), (5691, 3544486), (5962, 3383373), (6146, 3282081), (7707, 2617318), (8074, 2498349), (8943, 2255582), (9219, 2188054), (9658, 2088597), (11382, 1772243), (12111, 1665566), (14487, 1392398), (15414, 1308659), (17886, 1127791), (18438, 1094027), (20867, 966678), (24222, 832783), (28259, 713814), (28974, 696199), (33803, 596742), (41734, 483339), (56518, 356907), (62601, 322226), (67606, 298371), (84777, 237938), (99457, 202818), (101409, 198914), (118969, 169554), (125202, 161113)]