20419032

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 33701928

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 71, 92, 138, 142, 184, 213, 276, 284, 426, 521, 552, 568, 852, 1042, 1563, 1633, 1704, 2084, 3126, 3266, 4168, 4899, 6252, 6532, 9798, 11983, 12504, 13064, 19596, 23966, 35949, 36991, 39192, 47932, 71898, 73982, 95864, 110973, 143796, 147964, 221946, 287592, 295928, 443892, 850793, 887784, 1701586, 2552379, 3403172, 5104758, 6806344, 10209516, 20419032]

約数ペア:

[(1, 20419032), (2, 10209516), (3, 6806344), (4, 5104758), (6, 3403172), (8, 2552379), (12, 1701586), (23, 887784), (24, 850793), (46, 443892), (69, 295928), (71, 287592), (92, 221946), (138, 147964), (142, 143796), (184, 110973), (213, 95864), (276, 73982), (284, 71898), (426, 47932), (521, 39192), (552, 36991), (568, 35949), (852, 23966), (1042, 19596), (1563, 13064), (1633, 12504), (1704, 11983), (2084, 9798), (3126, 6532), (3266, 6252), (4168, 4899)]