20139966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1358

約数の個数: 72

約数和(自身を含む): 54857712

約数和(自身を除く): 34717746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1321, 1386, 1694, 2178, 2541, 2642, 3963, 5082, 7623, 7926, 9247, 11889, 14531, 15246, 18494, 23778, 27741, 29062, 43593, 55482, 83223, 87186, 101717, 130779, 159841, 166446, 203434, 261558, 305151, 319682, 479523, 610302, 915453, 959046, 1118887, 1438569, 1830906, 2237774, 2877138, 3356661, 6713322, 10069983, 20139966]

約数ペア:

[(1, 20139966), (2, 10069983), (3, 6713322), (6, 3356661), (7, 2877138), (9, 2237774), (11, 1830906), (14, 1438569), (18, 1118887), (21, 959046), (22, 915453), (33, 610302), (42, 479523), (63, 319682), (66, 305151), (77, 261558), (99, 203434), (121, 166446), (126, 159841), (154, 130779), (198, 101717), (231, 87186), (242, 83223), (363, 55482), (462, 43593), (693, 29062), (726, 27741), (847, 23778), (1089, 18494), (1321, 15246), (1386, 14531), (1694, 11889), (2178, 9247), (2541, 7926), (2642, 7623), (3963, 5082)]