20750584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20462216

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 647, 844, 1294, 1688, 2588, 4009, 5176, 8018, 12293, 16036, 24586, 32072, 49172, 98344, 136517, 273034, 546068, 1092136, 2593823, 5187646, 10375292, 20750584]

約数ペア:

[(1, 20750584), (2, 10375292), (4, 5187646), (8, 2593823), (19, 1092136), (38, 546068), (76, 273034), (152, 136517), (211, 98344), (422, 49172), (647, 32072), (844, 24586), (1294, 16036), (1688, 12293), (2588, 8018), (4009, 5176)]