20982654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15139}}^1$

素因数の和:15165

約数の個数: 48

約数和(自身を含む): 56684160

約数和(自身を除く): 35701506

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15139, 30278, 45417, 90834, 105973, 136251, 166529, 211946, 272502, 317919, 333058, 499587, 635838, 953757, 999174, 1165703, 1498761, 1907514, 2331406, 2997522, 3497109, 6994218, 10491327, 20982654]

約数ペア:

[(1, 20982654), (2, 10491327), (3, 6994218), (6, 3497109), (7, 2997522), (9, 2331406), (11, 1907514), (14, 1498761), (18, 1165703), (21, 999174), (22, 953757), (33, 635838), (42, 499587), (63, 333058), (66, 317919), (77, 272502), (99, 211946), (126, 166529), (154, 136251), (198, 105973), (231, 90834), (462, 45417), (693, 30278), (1386, 15139)]