20715282

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 36567918

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 238, 266, 306, 323, 342, 357, 399, 509, 646, 714, 798, 969, 1018, 1071, 1197, 1527, 1938, 2142, 2261, 2394, 2907, 3054, 3563, 4522, 4581, 5814, 6783, 7126, 8653, 9162, 9671, 10689, 13566, 17306, 19342, 20349, 21378, 25959, 29013, 32067, 40698, 51918, 58026, 60571, 64134, 67697, 77877, 87039, 121142, 135394, 155754, 164407, 174078, 181713, 203091, 328814, 363426, 406182, 493221, 545139, 609273, 986442, 1090278, 1150849, 1218546, 1479663, 2301698, 2959326, 3452547, 6905094, 10357641, 20715282]

約数ペア:

[(1, 20715282), (2, 10357641), (3, 6905094), (6, 3452547), (7, 2959326), (9, 2301698), (14, 1479663), (17, 1218546), (18, 1150849), (19, 1090278), (21, 986442), (34, 609273), (38, 545139), (42, 493221), (51, 406182), (57, 363426), (63, 328814), (102, 203091), (114, 181713), (119, 174078), (126, 164407), (133, 155754), (153, 135394), (171, 121142), (238, 87039), (266, 77877), (306, 67697), (323, 64134), (342, 60571), (357, 58026), (399, 51918), (509, 40698), (646, 32067), (714, 29013), (798, 25959), (969, 21378), (1018, 20349), (1071, 19342), (1197, 17306), (1527, 13566), (1938, 10689), (2142, 9671), (2261, 9162), (2394, 8653), (2907, 7126), (3054, 6783), (3563, 5814), (4522, 4581)]