20804966200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2537191}}^1$

素因数の和:2537248

約数の個数: 48

約数和(自身を含む): 49551359760

約数和(自身を除く): 28746393560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 2537191, 5074382, 10148764, 12685955, 20297528, 25371910, 50743820, 63429775, 101487640, 104024831, 126859550, 208049662, 253719100, 416099324, 507438200, 520124155, 832198648, 1040248310, 2080496620, 2600620775, 4160993240, 5201241550, 10402483100, 20804966200]

約数ペア:

[(1, 20804966200), (2, 10402483100), (4, 5201241550), (5, 4160993240), (8, 2600620775), (10, 2080496620), (20, 1040248310), (25, 832198648), (40, 520124155), (41, 507438200), (50, 416099324), (82, 253719100), (100, 208049662), (164, 126859550), (200, 104024831), (205, 101487640), (328, 63429775), (410, 50743820), (820, 25371910), (1025, 20297528), (1640, 12685955), (2050, 10148764), (4100, 5074382), (8200, 2537191)]