20578416

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8089}}^1$

素因数の和:8153

約数の個数: 40

約数和(自身を含む): 54170640

約数和(自身を除く): 33592224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8089, 16178, 24267, 32356, 48534, 64712, 97068, 129424, 194136, 388272, 428717, 857434, 1286151, 1714868, 2572302, 3429736, 5144604, 6859472, 10289208, 20578416]

約数ペア:

[(1, 20578416), (2, 10289208), (3, 6859472), (4, 5144604), (6, 3429736), (8, 2572302), (12, 1714868), (16, 1286151), (24, 857434), (48, 428717), (53, 388272), (106, 194136), (159, 129424), (212, 97068), (318, 64712), (424, 48534), (636, 32356), (848, 24267), (1272, 16178), (2544, 8089)]