20026370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25212670

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 59, 65, 70, 91, 118, 130, 182, 295, 373, 413, 455, 590, 746, 767, 826, 910, 1534, 1865, 2065, 2611, 3730, 3835, 4130, 4849, 5222, 5369, 7670, 9698, 10738, 13055, 22007, 24245, 26110, 26845, 33943, 44014, 48490, 53690, 67886, 110035, 154049, 169715, 220070, 286091, 308098, 339430, 572182, 770245, 1430455, 1540490, 2002637, 2860910, 4005274, 10013185, 20026370]

約数ペア:

[(1, 20026370), (2, 10013185), (5, 4005274), (7, 2860910), (10, 2002637), (13, 1540490), (14, 1430455), (26, 770245), (35, 572182), (59, 339430), (65, 308098), (70, 286091), (91, 220070), (118, 169715), (130, 154049), (182, 110035), (295, 67886), (373, 53690), (413, 48490), (455, 44014), (590, 33943), (746, 26845), (767, 26110), (826, 24245), (910, 22007), (1534, 13055), (1865, 10738), (2065, 9698), (2611, 7670), (3730, 5369), (3835, 5222), (4130, 4849)]