20655768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3323}}^1$

素因数の和:3376

約数の個数: 64

約数和(自身を含む): 60629760

約数和(自身を除く): 39973992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3323, 6216, 6646, 9969, 13292, 19938, 23261, 26584, 39876, 46522, 69783, 79752, 93044, 122951, 139566, 186088, 245902, 279132, 368853, 491804, 558264, 737706, 860657, 983608, 1475412, 1721314, 2581971, 2950824, 3442628, 5163942, 6885256, 10327884, 20655768]

約数ペア:

[(1, 20655768), (2, 10327884), (3, 6885256), (4, 5163942), (6, 3442628), (7, 2950824), (8, 2581971), (12, 1721314), (14, 1475412), (21, 983608), (24, 860657), (28, 737706), (37, 558264), (42, 491804), (56, 368853), (74, 279132), (84, 245902), (111, 186088), (148, 139566), (168, 122951), (222, 93044), (259, 79752), (296, 69783), (444, 46522), (518, 39876), (777, 26584), (888, 23261), (1036, 19938), (1554, 13292), (2072, 9969), (3108, 6646), (3323, 6216)]