20155384221

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{466139}}^1$

素因数の和:466249

約数の個数: 32

約数和(自身を含む): 32219596800

約数和(自身を除く): 12064212579

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 497, 609, 1491, 2059, 6177, 14413, 43239, 466139, 1398417, 3262973, 9788919, 13518031, 33095869, 40554093, 94626217, 99287607, 231671083, 283878651, 695013249, 959780201, 2879340603, 6718461407, 20155384221]

約数ペア:

[(1, 20155384221), (3, 6718461407), (7, 2879340603), (21, 959780201), (29, 695013249), (71, 283878651), (87, 231671083), (203, 99287607), (213, 94626217), (497, 40554093), (609, 33095869), (1491, 13518031), (2059, 9788919), (6177, 3262973), (14413, 1398417), (43239, 466139)]