20135643507

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1\times {\mathrm{3259}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 33613781760

約数和(自身を除く): 13478138253

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 971, 2121, 2913, 3259, 6363, 6797, 8739, 9777, 20391, 22813, 29331, 61173, 68439, 98071, 205317, 294213, 329159, 686497, 882639, 987477, 2059491, 2304113, 2962431, 3164489, 6178473, 6912339, 9493467, 20737017, 22151423, 28480401, 66454269, 199362807, 319613389, 958840167, 2237293723, 2876520501, 6711881169, 20135643507]

約数ペア:

[(1, 20135643507), (3, 6711881169), (7, 2876520501), (9, 2237293723), (21, 958840167), (63, 319613389), (101, 199362807), (303, 66454269), (707, 28480401), (909, 22151423), (971, 20737017), (2121, 9493467), (2913, 6912339), (3259, 6178473), (6363, 3164489), (6797, 2962431), (8739, 2304113), (9777, 2059491), (20391, 987477), (22813, 882639), (29331, 686497), (61173, 329159), (68439, 294213), (98071, 205317)]