20703870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6971}}^1$

素因数の和:6998

約数の個数: 64

約数和(自身を含む): 60238080

約数和(自身を除く): 39534210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 6971, 13942, 20913, 34855, 41826, 62739, 69710, 76681, 104565, 125478, 153362, 188217, 209130, 230043, 313695, 376434, 383405, 460086, 627390, 690129, 766810, 941085, 1150215, 1380258, 1882170, 2070387, 2300430, 3450645, 4140774, 6901290, 10351935, 20703870]

約数ペア:

[(1, 20703870), (2, 10351935), (3, 6901290), (5, 4140774), (6, 3450645), (9, 2300430), (10, 2070387), (11, 1882170), (15, 1380258), (18, 1150215), (22, 941085), (27, 766810), (30, 690129), (33, 627390), (45, 460086), (54, 383405), (55, 376434), (66, 313695), (90, 230043), (99, 209130), (110, 188217), (135, 153362), (165, 125478), (198, 104565), (270, 76681), (297, 69710), (330, 62739), (495, 41826), (594, 34855), (990, 20913), (1485, 13942), (2970, 6971)]