20747398920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4216951}}^1$

素因数の和:4217006

約数の個数: 64

約数和(自身を含む): 63760314240

約数和(自身を除く): 43012915320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 4216951, 8433902, 12650853, 16867804, 21084755, 25301706, 33735608, 42169510, 50603412, 63254265, 84339020, 101206824, 126508530, 168678040, 172894991, 253017060, 345789982, 506034120, 518684973, 691579964, 864474955, 1037369946, 1383159928, 1728949910, 2074739892, 2593424865, 3457899820, 4149479784, 5186849730, 6915799640, 10373699460, 20747398920]

約数ペア:

[(1, 20747398920), (2, 10373699460), (3, 6915799640), (4, 5186849730), (5, 4149479784), (6, 3457899820), (8, 2593424865), (10, 2074739892), (12, 1728949910), (15, 1383159928), (20, 1037369946), (24, 864474955), (30, 691579964), (40, 518684973), (41, 506034120), (60, 345789982), (82, 253017060), (120, 172894991), (123, 168678040), (164, 126508530), (205, 101206824), (246, 84339020), (328, 63254265), (410, 50603412), (492, 42169510), (615, 33735608), (820, 25301706), (984, 21084755), (1230, 16867804), (1640, 12650853), (2460, 8433902), (4920, 4216951)]