20503608

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 32960712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 67, 82, 123, 134, 164, 201, 246, 268, 311, 328, 402, 492, 536, 622, 804, 933, 984, 1244, 1608, 1866, 2488, 2747, 3732, 5494, 7464, 8241, 10988, 12751, 16482, 20837, 21976, 25502, 32964, 38253, 41674, 51004, 62511, 65928, 76506, 83348, 102008, 125022, 153012, 166696, 250044, 306024, 500088, 854317, 1708634, 2562951, 3417268, 5125902, 6834536, 10251804, 20503608]

約数ペア:

[(1, 20503608), (2, 10251804), (3, 6834536), (4, 5125902), (6, 3417268), (8, 2562951), (12, 1708634), (24, 854317), (41, 500088), (67, 306024), (82, 250044), (123, 166696), (134, 153012), (164, 125022), (201, 102008), (246, 83348), (268, 76506), (311, 65928), (328, 62511), (402, 51004), (492, 41674), (536, 38253), (622, 32964), (804, 25502), (933, 21976), (984, 20837), (1244, 16482), (1608, 12751), (1866, 10988), (2488, 8241), (2747, 7464), (3732, 5494)]