20218563888

素因数分解:

$2^4\times 3^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{9337}}^1$

素因数の和:9774

約数の個数: 80

約数和(自身を含む): 52731312480

約数和(自身を除く): 32512748592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 197, 229, 394, 458, 591, 687, 788, 916, 1182, 1374, 1576, 1832, 2364, 2748, 3152, 3664, 4728, 5496, 9337, 9456, 10992, 18674, 28011, 37348, 45113, 56022, 74696, 90226, 112044, 135339, 149392, 180452, 224088, 270678, 360904, 448176, 541356, 721808, 1082712, 1839389, 2138173, 2165424, 3678778, 4276346, 5518167, 6414519, 7357556, 8552692, 11036334, 12829038, 14715112, 17105384, 22072668, 25658076, 29430224, 34210768, 44145336, 51316152, 88290672, 102632304, 421220081, 842440162, 1263660243, 1684880324, 2527320486, 3369760648, 5054640972, 6739521296, 10109281944, 20218563888]

約数ペア:

[(1, 20218563888), (2, 10109281944), (3, 6739521296), (4, 5054640972), (6, 3369760648), (8, 2527320486), (12, 1684880324), (16, 1263660243), (24, 842440162), (48, 421220081), (197, 102632304), (229, 88290672), (394, 51316152), (458, 44145336), (591, 34210768), (687, 29430224), (788, 25658076), (916, 22072668), (1182, 17105384), (1374, 14715112), (1576, 12829038), (1832, 11036334), (2364, 8552692), (2748, 7357556), (3152, 6414519), (3664, 5518167), (4728, 4276346), (5496, 3678778), (9337, 2165424), (9456, 2138173), (10992, 1839389), (18674, 1082712), (28011, 721808), (37348, 541356), (45113, 448176), (56022, 360904), (74696, 270678), (90226, 224088), (112044, 180452), (135339, 149392)]