20665722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 32169606

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 66, 77, 82, 123, 154, 231, 246, 287, 451, 462, 574, 861, 902, 1091, 1353, 1722, 2182, 2706, 3157, 3273, 6314, 6546, 7637, 9471, 12001, 15274, 18942, 22911, 24002, 36003, 44731, 45822, 72006, 84007, 89462, 134193, 168014, 252021, 268386, 313117, 492041, 504042, 626234, 939351, 984082, 1476123, 1878702, 2952246, 3444287, 6888574, 10332861, 20665722]

約数ペア:

[(1, 20665722), (2, 10332861), (3, 6888574), (6, 3444287), (7, 2952246), (11, 1878702), (14, 1476123), (21, 984082), (22, 939351), (33, 626234), (41, 504042), (42, 492041), (66, 313117), (77, 268386), (82, 252021), (123, 168014), (154, 134193), (231, 89462), (246, 84007), (287, 72006), (451, 45822), (462, 44731), (574, 36003), (861, 24002), (902, 22911), (1091, 18942), (1353, 15274), (1722, 12001), (2182, 9471), (2706, 7637), (3157, 6546), (3273, 6314)]