20216790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2269}}^1$

素因数の和:2299

約数の個数: 80

約数和(自身を含む): 59328720

約数和(自身を除く): 39111930

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2269, 2970, 4455, 4538, 6807, 8910, 11345, 13614, 20421, 22690, 24959, 34035, 40842, 49918, 61263, 68070, 74877, 102105, 122526, 124795, 149754, 183789, 204210, 224631, 249590, 306315, 367578, 374385, 449262, 612630, 673893, 748770, 918945, 1123155, 1347786, 1837890, 2021679, 2246310, 3369465, 4043358, 6738930, 10108395, 20216790]

約数ペア:

[(1, 20216790), (2, 10108395), (3, 6738930), (5, 4043358), (6, 3369465), (9, 2246310), (10, 2021679), (11, 1837890), (15, 1347786), (18, 1123155), (22, 918945), (27, 748770), (30, 673893), (33, 612630), (45, 449262), (54, 374385), (55, 367578), (66, 306315), (81, 249590), (90, 224631), (99, 204210), (110, 183789), (135, 149754), (162, 124795), (165, 122526), (198, 102105), (270, 74877), (297, 68070), (330, 61263), (405, 49918), (495, 40842), (594, 34035), (810, 24959), (891, 22690), (990, 20421), (1485, 13614), (1782, 11345), (2269, 8910), (2970, 6807), (4455, 4538)]