20123538

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 21426222

約数列:

[1, 2, 3, 6, 41, 82, 123, 179, 246, 358, 457, 537, 914, 1074, 1371, 2742, 7339, 14678, 18737, 22017, 37474, 44034, 56211, 81803, 112422, 163606, 245409, 490818, 3353923, 6707846, 10061769, 20123538]

約数ペア:

[(1, 20123538), (2, 10061769), (3, 6707846), (6, 3353923), (41, 490818), (82, 245409), (123, 163606), (179, 112422), (246, 81803), (358, 56211), (457, 44034), (537, 37474), (914, 22017), (1074, 18737), (1371, 14678), (2742, 7339)]