20010396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 53661440

約数和(自身を除く): 33651044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1129, 1266, 1477, 2258, 2532, 2954, 3387, 4431, 4516, 5908, 6774, 7903, 8862, 13548, 15806, 17724, 23709, 31612, 47418, 94836, 238219, 476438, 714657, 952876, 1429314, 1667533, 2858628, 3335066, 5002599, 6670132, 10005198, 20010396]

約数ペア:

[(1, 20010396), (2, 10005198), (3, 6670132), (4, 5002599), (6, 3335066), (7, 2858628), (12, 1667533), (14, 1429314), (21, 952876), (28, 714657), (42, 476438), (84, 238219), (211, 94836), (422, 47418), (633, 31612), (844, 23709), (1129, 17724), (1266, 15806), (1477, 13548), (2258, 8862), (2532, 7903), (2954, 6774), (3387, 5908), (4431, 4516)]