20074722

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25544478

約数列:

[1, 2, 3, 6, 17, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 199, 258, 391, 398, 597, 731, 782, 989, 1173, 1194, 1462, 1978, 2193, 2346, 2967, 3383, 4386, 4577, 5934, 6766, 8557, 9154, 10149, 13731, 16813, 17114, 20298, 25671, 27462, 33626, 50439, 51342, 77809, 100878, 145469, 155618, 196811, 233427, 290938, 393622, 436407, 466854, 590433, 872814, 1180866, 3345787, 6691574, 10037361, 20074722]

約数ペア:

[(1, 20074722), (2, 10037361), (3, 6691574), (6, 3345787), (17, 1180866), (23, 872814), (34, 590433), (43, 466854), (46, 436407), (51, 393622), (69, 290938), (86, 233427), (102, 196811), (129, 155618), (138, 145469), (199, 100878), (258, 77809), (391, 51342), (398, 50439), (597, 33626), (731, 27462), (782, 25671), (989, 20298), (1173, 17114), (1194, 16813), (1462, 13731), (1978, 10149), (2193, 9154), (2346, 8557), (2967, 6766), (3383, 5934), (4386, 4577)]