20616597

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 32744556

約数和(自身を除く): 12127959

約数列:

[1, 3, 9, 17, 47, 51, 61, 141, 153, 183, 423, 549, 799, 1037, 2209, 2397, 2867, 3111, 6627, 7191, 8601, 9333, 19881, 25803, 37553, 48739, 112659, 134749, 146217, 337977, 404247, 438651, 1212741, 2290733, 6872199, 20616597]

約数ペア:

[(1, 20616597), (3, 6872199), (9, 2290733), (17, 1212741), (47, 438651), (51, 404247), (61, 337977), (141, 146217), (153, 134749), (183, 112659), (423, 48739), (549, 37553), (799, 25803), (1037, 19881), (2209, 9333), (2397, 8601), (2867, 7191), (3111, 6627)]