20188091378

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{294227}}^1$

素因数の和:294291

約数の個数: 48

約数和(自身を含む): 38767481280

約数和(自身を除く): 18579389902

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 169, 182, 203, 338, 377, 406, 754, 1183, 2366, 2639, 4901, 5278, 9802, 34307, 68614, 294227, 588454, 2059589, 3824951, 4119178, 7649902, 8532583, 17065166, 26774657, 49724363, 53549314, 59728081, 99448726, 110923579, 119456162, 221847158, 348070541, 696141082, 776465053, 1442006527, 1552930106, 2884013054, 10094045689, 20188091378]

約数ペア:

[(1, 20188091378), (2, 10094045689), (7, 2884013054), (13, 1552930106), (14, 1442006527), (26, 776465053), (29, 696141082), (58, 348070541), (91, 221847158), (169, 119456162), (182, 110923579), (203, 99448726), (338, 59728081), (377, 53549314), (406, 49724363), (754, 26774657), (1183, 17065166), (2366, 8532583), (2639, 7649902), (4901, 4119178), (5278, 3824951), (9802, 2059589), (34307, 588454), (68614, 294227)]