20213090892

素因数分解:

$2^2\times 3^6\times {\mathrm{127}}^1\times {\mathrm{54581}}^1$

素因数の和:54730

約数の個数: 84

約数和(自身を含む): 53453680896

約数和(自身を除く): 33240590004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 127, 162, 243, 254, 324, 381, 486, 508, 729, 762, 972, 1143, 1458, 1524, 2286, 2916, 3429, 4572, 6858, 10287, 13716, 20574, 30861, 41148, 54581, 61722, 92583, 109162, 123444, 163743, 185166, 218324, 327486, 370332, 491229, 654972, 982458, 1473687, 1964916, 2947374, 4421061, 5894748, 6931787, 8842122, 13263183, 13863574, 17684244, 20795361, 26526366, 27727148, 39789549, 41590722, 53052732, 62386083, 79579098, 83181444, 124772166, 159158196, 187158249, 249544332, 374316498, 561474747, 748632996, 1122949494, 1684424241, 2245898988, 3368848482, 5053272723, 6737696964, 10106545446, 20213090892]

約数ペア:

[(1, 20213090892), (2, 10106545446), (3, 6737696964), (4, 5053272723), (6, 3368848482), (9, 2245898988), (12, 1684424241), (18, 1122949494), (27, 748632996), (36, 561474747), (54, 374316498), (81, 249544332), (108, 187158249), (127, 159158196), (162, 124772166), (243, 83181444), (254, 79579098), (324, 62386083), (381, 53052732), (486, 41590722), (508, 39789549), (729, 27727148), (762, 26526366), (972, 20795361), (1143, 17684244), (1458, 13863574), (1524, 13263183), (2286, 8842122), (2916, 6931787), (3429, 5894748), (4572, 4421061), (6858, 2947374), (10287, 1964916), (13716, 1473687), (20574, 982458), (30861, 654972), (41148, 491229), (54581, 370332), (61722, 327486), (92583, 218324), (109162, 185166), (123444, 163743)]