20565545052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6938443}}^1$

素因数の和:6938482

約数の個数: 48

約数和(自身を含む): 54397400960

約数和(自身を除く): 33831855908

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6938443, 13876886, 20815329, 27753772, 41630658, 83261316, 90199759, 131830417, 180399518, 263660834, 270599277, 360799036, 395491251, 527321668, 541198554, 790982502, 1082397108, 1581965004, 1713795421, 3427590842, 5141386263, 6855181684, 10282772526, 20565545052]

約数ペア:

[(1, 20565545052), (2, 10282772526), (3, 6855181684), (4, 5141386263), (6, 3427590842), (12, 1713795421), (13, 1581965004), (19, 1082397108), (26, 790982502), (38, 541198554), (39, 527321668), (52, 395491251), (57, 360799036), (76, 270599277), (78, 263660834), (114, 180399518), (156, 131830417), (228, 90199759), (247, 83261316), (494, 41630658), (741, 27753772), (988, 20815329), (1482, 13876886), (2964, 6938443)]