20380206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1477

約数の個数: 64

約数和(自身を含む): 52494336

約数和(自身を除く): 32114130

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1423, 2046, 2387, 2846, 4269, 4774, 7161, 8538, 9961, 14322, 15653, 19922, 29883, 31306, 44113, 46959, 59766, 88226, 93918, 109571, 132339, 219142, 264678, 308791, 328713, 485243, 617582, 657426, 926373, 970486, 1455729, 1852746, 2911458, 3396701, 6793402, 10190103, 20380206]

約数ペア:

[(1, 20380206), (2, 10190103), (3, 6793402), (6, 3396701), (7, 2911458), (11, 1852746), (14, 1455729), (21, 970486), (22, 926373), (31, 657426), (33, 617582), (42, 485243), (62, 328713), (66, 308791), (77, 264678), (93, 219142), (154, 132339), (186, 109571), (217, 93918), (231, 88226), (341, 59766), (434, 46959), (462, 44113), (651, 31306), (682, 29883), (1023, 19922), (1302, 15653), (1423, 14322), (2046, 9961), (2387, 8538), (2846, 7161), (4269, 4774)]