20144670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 61157376

約数和(自身を除く): 41012706

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 47, 65, 70, 78, 91, 94, 105, 130, 141, 157, 182, 195, 210, 235, 273, 282, 314, 329, 390, 455, 470, 471, 546, 611, 658, 705, 785, 910, 942, 987, 1099, 1222, 1365, 1410, 1570, 1645, 1833, 1974, 2041, 2198, 2355, 2730, 3055, 3290, 3297, 3666, 4082, 4277, 4710, 4935, 5495, 6110, 6123, 6594, 7379, 8554, 9165, 9870, 10205, 10990, 12246, 12831, 14287, 14758, 16485, 18330, 20410, 21385, 22137, 25662, 28574, 30615, 32970, 36895, 42770, 42861, 44274, 51653, 61230, 64155, 71435, 73790, 85722, 95927, 103306, 110685, 128310, 142870, 154959, 191854, 214305, 221370, 258265, 287781, 309918, 428610, 479635, 516530, 575562, 671489, 774795, 959270, 1342978, 1438905, 1549590, 2014467, 2877810, 3357445, 4028934, 6714890, 10072335, 20144670]

約数ペア:

[(1, 20144670), (2, 10072335), (3, 6714890), (5, 4028934), (6, 3357445), (7, 2877810), (10, 2014467), (13, 1549590), (14, 1438905), (15, 1342978), (21, 959270), (26, 774795), (30, 671489), (35, 575562), (39, 516530), (42, 479635), (47, 428610), (65, 309918), (70, 287781), (78, 258265), (91, 221370), (94, 214305), (105, 191854), (130, 154959), (141, 142870), (157, 128310), (182, 110685), (195, 103306), (210, 95927), (235, 85722), (273, 73790), (282, 71435), (314, 64155), (329, 61230), (390, 51653), (455, 44274), (470, 42861), (471, 42770), (546, 36895), (611, 32970), (658, 30615), (705, 28574), (785, 25662), (910, 22137), (942, 21385), (987, 20410), (1099, 18330), (1222, 16485), (1365, 14758), (1410, 14287), (1570, 12831), (1645, 12246), (1833, 10990), (1974, 10205), (2041, 9870), (2198, 9165), (2355, 8554), (2730, 7379), (3055, 6594), (3290, 6123), (3297, 6110), (3666, 5495), (4082, 4935), (4277, 4710)]