20490918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{69697}}^1$

素因数の和:69716

約数の個数: 24

約数和(自身を含む): 47673432

約数和(自身を除く): 27182514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 69697, 139394, 209091, 418182, 487879, 975758, 1463637, 2927274, 3415153, 6830306, 10245459, 20490918]

約数ペア:

[(1, 20490918), (2, 10245459), (3, 6830306), (6, 3415153), (7, 2927274), (14, 1463637), (21, 975758), (42, 487879), (49, 418182), (98, 209091), (147, 139394), (294, 69697)]