20120855446

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 32681968128

約数和(自身を除く): 12561112682

約数列:

[1, 2, 23, 46, 53, 106, 107, 137, 214, 274, 563, 1126, 1219, 2438, 2461, 3151, 4922, 5671, 6302, 7261, 11342, 12949, 14522, 14659, 25898, 29318, 29839, 59678, 60241, 77131, 120482, 130433, 154262, 167003, 260866, 334006, 337157, 674314, 686297, 776927, 1372594, 1385543, 1553854, 1774013, 2771086, 3192773, 3548026, 4087943, 6385546, 8175886, 8253017, 16506034, 17869321, 35738642, 73433779, 94022689, 146867558, 188045378, 189819391, 379638782, 437409901, 874819802, 10060427723, 20120855446]

約数ペア:

[(1, 20120855446), (2, 10060427723), (23, 874819802), (46, 437409901), (53, 379638782), (106, 189819391), (107, 188045378), (137, 146867558), (214, 94022689), (274, 73433779), (563, 35738642), (1126, 17869321), (1219, 16506034), (2438, 8253017), (2461, 8175886), (3151, 6385546), (4922, 4087943), (5671, 3548026), (6302, 3192773), (7261, 2771086), (11342, 1774013), (12949, 1553854), (14522, 1385543), (14659, 1372594), (25898, 776927), (29318, 686297), (29839, 674314), (59678, 337157), (60241, 334006), (77131, 260866), (120482, 167003), (130433, 154262)]