20384040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4591}}^1$

素因数の和:4642

約数の個数: 64

約数和(自身を含む): 62818560

約数和(自身を除く): 42434520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4591, 9182, 13773, 18364, 22955, 27546, 36728, 45910, 55092, 68865, 91820, 110184, 137730, 169867, 183640, 275460, 339734, 509601, 550920, 679468, 849335, 1019202, 1358936, 1698670, 2038404, 2548005, 3397340, 4076808, 5096010, 6794680, 10192020, 20384040]

約数ペア:

[(1, 20384040), (2, 10192020), (3, 6794680), (4, 5096010), (5, 4076808), (6, 3397340), (8, 2548005), (10, 2038404), (12, 1698670), (15, 1358936), (20, 1019202), (24, 849335), (30, 679468), (37, 550920), (40, 509601), (60, 339734), (74, 275460), (111, 183640), (120, 169867), (148, 137730), (185, 110184), (222, 91820), (296, 68865), (370, 55092), (444, 45910), (555, 36728), (740, 27546), (888, 22955), (1110, 18364), (1480, 13773), (2220, 9182), (4440, 4591)]