20419770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:532

約数の個数: 96

約数和(自身を含む): 59097600

約数和(自身を除く): 38677830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 245, 290, 294, 406, 435, 479, 490, 609, 735, 870, 958, 1015, 1218, 1421, 1437, 1470, 2030, 2395, 2842, 2874, 3045, 3353, 4263, 4790, 6090, 6706, 7105, 7185, 8526, 10059, 13891, 14210, 14370, 16765, 20118, 21315, 23471, 27782, 33530, 41673, 42630, 46942, 50295, 69455, 70413, 83346, 97237, 100590, 117355, 138910, 140826, 194474, 208365, 234710, 291711, 352065, 416730, 486185, 583422, 680659, 704130, 972370, 1361318, 1458555, 2041977, 2917110, 3403295, 4083954, 6806590, 10209885, 20419770]

約数ペア:

[(1, 20419770), (2, 10209885), (3, 6806590), (5, 4083954), (6, 3403295), (7, 2917110), (10, 2041977), (14, 1458555), (15, 1361318), (21, 972370), (29, 704130), (30, 680659), (35, 583422), (42, 486185), (49, 416730), (58, 352065), (70, 291711), (87, 234710), (98, 208365), (105, 194474), (145, 140826), (147, 138910), (174, 117355), (203, 100590), (210, 97237), (245, 83346), (290, 70413), (294, 69455), (406, 50295), (435, 46942), (479, 42630), (490, 41673), (609, 33530), (735, 27782), (870, 23471), (958, 21315), (1015, 20118), (1218, 16765), (1421, 14370), (1437, 14210), (1470, 13891), (2030, 10059), (2395, 8526), (2842, 7185), (2874, 7105), (3045, 6706), (3353, 6090), (4263, 4790)]