20540364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{373}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 51899232

約数和(自身を除く): 31358868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 353, 373, 706, 746, 1059, 1119, 1412, 1492, 2118, 2238, 4236, 4476, 4589, 4849, 9178, 9698, 13767, 14547, 18356, 19396, 27534, 29094, 55068, 58188, 131669, 263338, 395007, 526676, 790014, 1580028, 1711697, 3423394, 5135091, 6846788, 10270182, 20540364]

約数ペア:

[(1, 20540364), (2, 10270182), (3, 6846788), (4, 5135091), (6, 3423394), (12, 1711697), (13, 1580028), (26, 790014), (39, 526676), (52, 395007), (78, 263338), (156, 131669), (353, 58188), (373, 55068), (706, 29094), (746, 27534), (1059, 19396), (1119, 18356), (1412, 14547), (1492, 13767), (2118, 9698), (2238, 9178), (4236, 4849), (4476, 4589)]