20777790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34379970

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 79, 110, 158, 165, 237, 330, 395, 474, 790, 797, 869, 1185, 1594, 1738, 2370, 2391, 2607, 3985, 4345, 4782, 5214, 7970, 8690, 8767, 11955, 13035, 17534, 23910, 26070, 26301, 43835, 52602, 62963, 87670, 125926, 131505, 188889, 263010, 314815, 377778, 629630, 692593, 944445, 1385186, 1888890, 2077779, 3462965, 4155558, 6925930, 10388895, 20777790]

約数ペア:

[(1, 20777790), (2, 10388895), (3, 6925930), (5, 4155558), (6, 3462965), (10, 2077779), (11, 1888890), (15, 1385186), (22, 944445), (30, 692593), (33, 629630), (55, 377778), (66, 314815), (79, 263010), (110, 188889), (158, 131505), (165, 125926), (237, 87670), (330, 62963), (395, 52602), (474, 43835), (790, 26301), (797, 26070), (869, 23910), (1185, 17534), (1594, 13035), (1738, 11955), (2370, 8767), (2391, 8690), (2607, 7970), (3985, 5214), (4345, 4782)]