20856331356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2939}}^1\times {\mathrm{84481}}^1$

素因数の和:87434

約数の個数: 48

約数和(自身を含む): 55636465920

約数和(自身を除く): 34780134564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2939, 5878, 8817, 11756, 17634, 20573, 35268, 41146, 61719, 82292, 84481, 123438, 168962, 246876, 253443, 337924, 506886, 591367, 1013772, 1182734, 1774101, 2365468, 3548202, 7096404, 248289659, 496579318, 744868977, 993158636, 1489737954, 1738027613, 2979475908, 3476055226, 5214082839, 6952110452, 10428165678, 20856331356]

約数ペア:

[(1, 20856331356), (2, 10428165678), (3, 6952110452), (4, 5214082839), (6, 3476055226), (7, 2979475908), (12, 1738027613), (14, 1489737954), (21, 993158636), (28, 744868977), (42, 496579318), (84, 248289659), (2939, 7096404), (5878, 3548202), (8817, 2365468), (11756, 1774101), (17634, 1182734), (20573, 1013772), (35268, 591367), (41146, 506886), (61719, 337924), (82292, 253443), (84481, 246876), (123438, 168962)]