20177884476

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7894321}}^1$

素因数の和:7894402

約数の個数: 36

約数和(自身を含む): 51723597744

約数和(自身を除く): 31545713268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7894321, 15788642, 23682963, 31577284, 47365926, 71048889, 94731852, 142097778, 284195556, 560496791, 1120993582, 1681490373, 2241987164, 3362980746, 5044471119, 6725961492, 10088942238, 20177884476]

約数ペア:

[(1, 20177884476), (2, 10088942238), (3, 6725961492), (4, 5044471119), (6, 3362980746), (9, 2241987164), (12, 1681490373), (18, 1120993582), (36, 560496791), (71, 284195556), (142, 142097778), (213, 94731852), (284, 71048889), (426, 47365926), (639, 31577284), (852, 23682963), (1278, 15788642), (2556, 7894321)]